diff --git a/dll/steam_apps.cpp b/dll/steam_apps.cpp
index 2b154fd..6bd52d5 100644
--- a/dll/steam_apps.cpp
+++ b/dll/steam_apps.cpp
@@ -24,6 +24,16 @@ Steam_Apps::Steam_Apps(Settings *settings, class SteamCallResults *callback_resu
     this->callback_results = callback_results;
 }
 
+// returns 0 if the key does not exist
+// this may be true on first call, since the app data may not be cached locally yet
+// If you expect it to exists wait for the AppDataChanged_t after the first failure and ask again
+int Steam_Apps::GetAppData( AppId_t nAppID, const char *pchKey, char *pchValue, int cchValueMax )
+{
+    //TODO
+    PRINT_DEBUG("GetAppData %u %s\n", nAppID, pchKey);
+    return 0;
+}
+
 bool Steam_Apps::BIsSubscribed()
 {
     PRINT_DEBUG("BIsSubscribed\n");
diff --git a/dll/steam_apps.h b/dll/steam_apps.h
index 2c23c68..b46c22a 100644
--- a/dll/steam_apps.h
+++ b/dll/steam_apps.h
@@ -1,6 +1,7 @@
 #include "base.h"
 
 class Steam_Apps :
+public ISteamApps001,
 public ISteamApps002,
 public ISteamApps003,
 public ISteamApps004,
@@ -15,6 +16,11 @@ public ISteamApps
 public:
     Steam_Apps(Settings *settings, class SteamCallResults *callback_results);
 
+	// returns 0 if the key does not exist
+	// this may be true on first call, since the app data may not be cached locally yet
+	// If you expect it to exists wait for the AppDataChanged_t after the first failure and ask again
+	int GetAppData( AppId_t nAppID, const char *pchKey, char *pchValue, int cchValueMax );
+
 	bool BIsSubscribed();
 	bool BIsLowViolence();
 	bool BIsCybercafe();
diff --git a/dll/steam_client.cpp b/dll/steam_client.cpp
index 3dd0af5..b1ee2fe 100644
--- a/dll/steam_client.cpp
+++ b/dll/steam_client.cpp
@@ -295,7 +295,9 @@ ISteamGameServer *Steam_Client::GetISteamGameServer( HSteamUser hSteamUser, HSte
     PRINT_DEBUG("GetISteamGameServer %s\n", pchVersion);
     if (!steam_pipes.count(hSteamPipe) || !hSteamUser) return NULL;
 
-    if (strcmp(pchVersion, "SteamGameServer005") == 0) {
+    if (strcmp(pchVersion, "SteamGameServer004") == 0) {
+        return (ISteamGameServer *)(void *)(ISteamGameServer004 *)steam_gameserver;
+    } else if (strcmp(pchVersion, "SteamGameServer005") == 0) {
         return (ISteamGameServer *)(void *)(ISteamGameServer005 *)steam_gameserver;
     } else if (strcmp(pchVersion, "SteamGameServer006") == 0) {
         return (ISteamGameServer *)(void *)(ISteamGameServer008 *)steam_gameserver;
@@ -343,7 +345,9 @@ ISteamFriends *Steam_Client::GetISteamFriends( HSteamUser hSteamUser, HSteamPipe
     PRINT_DEBUG("GetISteamFriends %s\n", pchVersion);
     if (!steam_pipes.count(hSteamPipe) || !hSteamUser) return NULL;
 
-    if (strcmp(pchVersion, "SteamFriends004") == 0) {
+    if (strcmp(pchVersion, "SteamFriends003") == 0) {
+        return (ISteamFriends *)(void *)(ISteamFriends003 *)steam_friends;
+    } else if (strcmp(pchVersion, "SteamFriends004") == 0) {
         return (ISteamFriends *)(void *)(ISteamFriends004 *)steam_friends;
     } else if (strcmp(pchVersion, "SteamFriends005") == 0) {
         return (ISteamFriends *)(void *)(ISteamFriends005 *)steam_friends;
@@ -425,19 +429,15 @@ ISteamMatchmaking *Steam_Client::GetISteamMatchmaking( HSteamUser hSteamUser, HS
 
     if (strcmp(pchVersion, "SteamMatchMaking001") == 0) {
         //TODO
-        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking006 *)steam_matchmaking;
+        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking002 *)steam_matchmaking;
     } else if (strcmp(pchVersion, "SteamMatchMaking002") == 0) {
-        //TODO
-        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking006 *)steam_matchmaking;
+        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking002 *)steam_matchmaking;
     } else if (strcmp(pchVersion, "SteamMatchMaking003") == 0) {
-        //TODO
-        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking006 *)steam_matchmaking;
+        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking003 *)steam_matchmaking;
     } else if (strcmp(pchVersion, "SteamMatchMaking004") == 0) {
-        //TODO
-        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking006 *)steam_matchmaking;
+        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking004 *)steam_matchmaking;
     } else if (strcmp(pchVersion, "SteamMatchMaking005") == 0) {
-        //TODO
-        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking006 *)steam_matchmaking;
+        return (ISteamMatchmaking *)(void *)(ISteamMatchmaking005 *)steam_matchmaking;
     } else if (strcmp(pchVersion, "SteamMatchMaking006") == 0) {
         return (ISteamMatchmaking *)(void *)(ISteamMatchmaking006 *)steam_matchmaking;
     } else if (strcmp(pchVersion, "SteamMatchMaking007") == 0) {
@@ -459,6 +459,15 @@ ISteamMatchmakingServers *Steam_Client::GetISteamMatchmakingServers( HSteamUser
 {
     PRINT_DEBUG("GetISteamMatchmakingServers %s\n", pchVersion);
     if (!steam_pipes.count(hSteamPipe) || !hSteamUser) return NULL;
+
+    if (strcmp(pchVersion, "SteamMatchMakingServers001") == 0) {
+        return (ISteamMatchmakingServers *)(void *)(ISteamMatchmakingServers001 *)steam_matchmaking_servers;
+    } else if (strcmp(pchVersion, STEAMMATCHMAKINGSERVERS_INTERFACE_VERSION) == 0) {
+        return steam_matchmaking_servers;
+    } else {
+        return steam_matchmaking_servers;
+    }
+
     return steam_matchmaking_servers;
 }
 
@@ -676,7 +685,9 @@ ISteamApps *Steam_Client::GetISteamApps( HSteamUser hSteamUser, HSteamPipe hStea
     } else {
         steam_apps_temp = steam_apps;
     }
-    if (strcmp(pchVersion, "STEAMAPPS_INTERFACE_VERSION002") == 0) {
+    if (strcmp(pchVersion, "STEAMAPPS_INTERFACE_VERSION001") == 0) {
+        return (ISteamApps *)(void *)(ISteamApps001 *)steam_apps_temp;
+    } else if (strcmp(pchVersion, "STEAMAPPS_INTERFACE_VERSION002") == 0) {
         return (ISteamApps *)(void *)(ISteamApps002 *)steam_apps_temp;
     } else if (strcmp(pchVersion, "STEAMAPPS_INTERFACE_VERSION003") == 0) {
         return (ISteamApps *)(void *)(ISteamApps003 *)steam_apps_temp;
diff --git a/dll/steam_friends.h b/dll/steam_friends.h
index 8d6bc17..576ebca 100644
--- a/dll/steam_friends.h
+++ b/dll/steam_friends.h
@@ -30,6 +30,7 @@ struct Avatar_Numbers {
 };
 
 class Steam_Friends : 
+public ISteamFriends003,
 public ISteamFriends004,
 public ISteamFriends005,
 public ISteamFriends006,
@@ -629,6 +630,12 @@ int GetFriendAvatar( CSteamID steamIDFriend, int eAvatarSize )
 	}
 }
 
+int GetFriendAvatar(CSteamID steamIDFriend)
+{
+    PRINT_DEBUG("Steam_Friends::GetFriendAvatar old\n");
+    return GetFriendAvatar(steamIDFriend, k_EAvatarSize32x32);
+}
+
 // requests information about a user - persona name & avatar
 // if bRequireNameOnly is set, then the avatar of a user isn't downloaded 
 // - it's a lot slower to download avatars and churns the local cache, so if you don't need avatars, don't request them
diff --git a/dll/steam_gameserver.cpp b/dll/steam_gameserver.cpp
index 54b80b1..bf16d2f 100644
--- a/dll/steam_gameserver.cpp
+++ b/dll/steam_gameserver.cpp
@@ -285,7 +285,7 @@ void Steam_GameServer::ClearAllKeyValues()
 /// Call this to add/update a key/value pair.
 void Steam_GameServer::SetKeyValue( const char *pKey, const char *pValue )
 {
-    PRINT_DEBUG("SetKeyValue\n");
+    PRINT_DEBUG("SetKeyValue %s %s\n", pKey, pValue);
     std::lock_guard<std::recursive_mutex> lock(global_mutex);
     (*server_data.mutable_values())[std::string(pKey)] = std::string(pValue);
 }
@@ -347,6 +347,10 @@ bool Steam_GameServer::SendUserConnectAndAuthenticate( uint32 unIPClient, const
     return ticket_manager->SendUserConnectAndAuthenticate(unIPClient, pvAuthBlob, cubAuthBlobSize, pSteamIDUser);
 }
 
+void Steam_GameServer::SendUserConnectAndAuthenticate( CSteamID steamIDUser, uint32 unIPClient, void *pvAuthBlob, uint32 cubAuthBlobSize )
+{
+    SendUserConnectAndAuthenticate(unIPClient, pvAuthBlob, cubAuthBlobSize, NULL);
+}
 
 // Creates a fake user (ie, a bot) which will be listed as playing on the server, but skips validation.  
 // 
@@ -380,7 +384,7 @@ void Steam_GameServer::SendUserDisconnect( CSteamID steamIDUser )
 // Return Value: true if successful, false if failure (ie, steamIDUser wasn't for an active player)
 bool Steam_GameServer::BUpdateUserData( CSteamID steamIDUser, const char *pchPlayerName, uint32 uScore )
 {
-    PRINT_DEBUG("BUpdateUserData\n");
+    PRINT_DEBUG("BUpdateUserData %llu %s %u\n", steamIDUser.ConvertToUint64(), pchPlayerName, uScore);
     return true;
 }
 
@@ -420,6 +424,12 @@ bool Steam_GameServer::BSetServerType( uint32 unServerFlags, uint32 unGameIP, ui
     return true;
 }
 
+bool Steam_GameServer::BSetServerType( int32 nGameAppId, uint32 unServerFlags, uint32 unGameIP, uint16 unGamePort, 
+									uint16 unSpectatorPort, uint16 usQueryPort, const char *pchGameDir, const char *pchVersion, bool bLANMode )
+{
+    return BSetServerType(unServerFlags, unGameIP, unGamePort, unSpectatorPort, usQueryPort, pchGameDir, pchVersion, bLANMode);
+}
+
 // Updates server status values which shows up in the server browser and matchmaking APIs
 void Steam_GameServer::UpdateServerStatus( int cPlayers, int cPlayersMax, int cBotPlayers, 
                                     const char *pchServerName, const char *pSpectatorServerName, 
diff --git a/dll/steam_gameserver.h b/dll/steam_gameserver.h
index 7268d30..275c716 100644
--- a/dll/steam_gameserver.h
+++ b/dll/steam_gameserver.h
@@ -29,6 +29,7 @@ struct Gameserver_Outgoing_Packet {
 };
 
 class Steam_GameServer : 
+public ISteamGameServer004,
 public ISteamGameServer005,
 public ISteamGameServer008,
 public ISteamGameServer009,
@@ -189,6 +190,7 @@ public:
 	// If the call succeeds then you should expect a GSClientApprove_t or GSClientDeny_t callback which will tell you whether authentication
 	// for the user has succeeded or failed (the steamid in the callback will match the one returned by this call)
 	bool SendUserConnectAndAuthenticate( uint32 unIPClient, const void *pvAuthBlob, uint32 cubAuthBlobSize, CSteamID *pSteamIDUser );
+	void SendUserConnectAndAuthenticate( CSteamID steamIDUser, uint32 unIPClient, void *pvAuthBlob, uint32 cubAuthBlobSize );
 
 	// Creates a fake user (ie, a bot) which will be listed as playing on the server, but skips validation.  
 	// 
@@ -227,6 +229,9 @@ public:
 	bool BSetServerType( uint32 unServerFlags, uint32 unGameIP, uint16 unGamePort, 
 								uint16 unSpectatorPort, uint16 usQueryPort, const char *pchGameDir, const char *pchVersion, bool bLANMode );
 
+	bool BSetServerType( int32 nGameAppId, uint32 unServerFlags, uint32 unGameIP, uint16 unGamePort, 
+									uint16 unSpectatorPort, uint16 usQueryPort, const char *pchGameDir, const char *pchVersion, bool bLANMode );
+
 	// Updates server status values which shows up in the server browser and matchmaking APIs
 	void UpdateServerStatus( int cPlayers, int cPlayersMax, int cBotPlayers, 
 									 const char *pchServerName, const char *pSpectatorServerName, 
diff --git a/dll/steam_matchmaking.h b/dll/steam_matchmaking.h
index 9e0034c..66a268c 100644
--- a/dll/steam_matchmaking.h
+++ b/dll/steam_matchmaking.h
@@ -60,6 +60,10 @@ struct Chat_Entry {
 
 
 class Steam_Matchmaking :
+public ISteamMatchmaking002,
+public ISteamMatchmaking003,
+public ISteamMatchmaking004,
+public ISteamMatchmaking005,
 public ISteamMatchmaking006,
 public ISteamMatchmaking007,
 public ISteamMatchmaking008,
@@ -422,6 +426,11 @@ SteamAPICall_t RequestLobbyList()
     return search_call_api_id;
 }
 
+void RequestLobbyList_OLD()
+{
+    RequestLobbyList();
+}
+
 // filters for lobbies
 // this needs to be called before RequestLobbyList() to take effect
 // these are cleared on each call to RequestLobbyList()
@@ -509,6 +518,11 @@ void AddRequestLobbyListNumericalFilter( const char *pchKeyToMatch, int nValueTo
 	AddRequestLobbyListNumericalFilter(pchKeyToMatch, nValueToMatch, (ELobbyComparison) nComparisonType );
 }
 
+void AddRequestLobbyListSlotsAvailableFilter()
+{
+    
+}
+
 // returns the CSteamID of a lobby, as retrieved by a RequestLobbyList call
 // should only be called after a LobbyMatchList_t callback is received
 // iLobby is of the range [0, LobbyMatchList_t::m_nLobbiesMatching)
@@ -623,6 +637,16 @@ SteamAPICall_t CreateLobby( ELobbyType eLobbyType )
 	return CreateLobby(eLobbyType, 0);
 }
 
+void CreateLobby_OLD( ELobbyType eLobbyType )
+{
+    CreateLobby(eLobbyType);
+}
+
+void CreateLobby( bool bPrivate )
+{
+    CreateLobby(bPrivate ? k_ELobbyTypePrivate : k_ELobbyTypePublic);
+}
+
 // Joins an existing lobby
 // this is an asynchronous request
 // results will be returned by LobbyEnter_t callback & call result, check m_EChatRoomEnterResponse to see if was successful
@@ -649,6 +673,11 @@ SteamAPICall_t JoinLobby( CSteamID steamIDLobby )
     return pending_join.api_id;
 }
 
+void JoinLobby_OLD( CSteamID steamIDLobby )
+{
+    JoinLobby(steamIDLobby);
+}
+
 // Leave a lobby; this will take effect immediately on the client side
 // other users in the lobby will be notified by a LobbyChatUpdate_t callback
 void LeaveLobby( CSteamID steamIDLobby )
@@ -1071,6 +1100,10 @@ int GetLobbyMemberLimit( CSteamID steamIDLobby )
     return limit;
 }
 
+void SetLobbyVoiceEnabled( CSteamID steamIDLobby, bool bVoiceEnabled )
+{
+    PRINT_DEBUG("SetLobbyVoiceEnabled\n");
+}
 
 // updates which type of lobby it is
 // only lobbies that are k_ELobbyTypePublic or k_ELobbyTypeInvisible, and are set to joinable, will be returned by RequestLobbyList() calls
@@ -1131,6 +1164,23 @@ CSteamID GetLobbyOwner( CSteamID steamIDLobby )
     return (uint64)lobby->owner();
 }
 
+// asks the Steam servers for a list of lobbies that friends are in
+// returns results by posting one RequestFriendsLobbiesResponse_t callback per friend/lobby pair
+// if no friends are in lobbies, RequestFriendsLobbiesResponse_t will be posted but with 0 results
+// filters don't apply to lobbies (currently)
+bool RequestFriendsLobbies()
+{
+    PRINT_DEBUG("RequestFriendsLobbies\n");
+    RequestFriendsLobbiesResponse_t data = {};
+    callbacks->addCBResult(data.k_iCallback, &data, sizeof(data));
+    return true;
+}
+
+float GetLobbyDistance( CSteamID steamIDLobby )
+{
+    PRINT_DEBUG("GetLobbyDistance %llu\n", steamIDLobby.ConvertToUint64());
+    return 0.0;
+}
 
 // changes who the lobby owner is
 // you must be the lobby owner for this to succeed, and steamIDNewOwner must be in the lobby
diff --git a/dll/steam_matchmaking_servers.cpp b/dll/steam_matchmaking_servers.cpp
index 70351b1..23441f3 100644
--- a/dll/steam_matchmaking_servers.cpp
+++ b/dll/steam_matchmaking_servers.cpp
@@ -52,6 +52,7 @@ HServerListRequest Steam_Matchmaking_Servers::RequestLANServerList( AppId_t iApp
     struct Steam_Matchmaking_Request request;
     request.appid = iApp;
     request.callbacks = pRequestServersResponse;
+    request.old_callbacks = NULL;
     request.cancelled = false;
     request.completed = false;
     requests.push_back(request);
@@ -90,6 +91,71 @@ HServerListRequest Steam_Matchmaking_Servers::RequestSpectatorServerList( AppId_
     return RequestLANServerList(iApp, pRequestServersResponse);
 }
 
+void Steam_Matchmaking_Servers::RequestOldServerList(AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse, EMatchMakingType type)
+{
+    PRINT_DEBUG("RequestOldServerList %u\n", iApp);
+    std::lock_guard<std::recursive_mutex> lock(global_mutex);
+    auto g = std::begin(requests);
+    while (g != std::end(requests)) {
+        if (g->id == ((void *)type)) {
+            return;
+        }
+
+        ++g;
+    }
+
+    struct Steam_Matchmaking_Request request;
+    request.appid = iApp;
+    request.callbacks = NULL;
+    request.old_callbacks = pRequestServersResponse;
+    request.cancelled = false;
+    request.completed = false;
+    requests.push_back(request);
+    requests[requests.size() - 1].id = (void *)type;
+}
+
+void Steam_Matchmaking_Servers::RequestInternetServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
+{
+    PRINT_DEBUG("%s old\n", __FUNCTION__);
+    //TODO
+    RequestOldServerList(iApp, pRequestServersResponse, eInternetServer);
+}
+
+void Steam_Matchmaking_Servers::RequestLANServerList( AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
+{
+    PRINT_DEBUG("%s old\n", __FUNCTION__);
+    //TODO
+    RequestOldServerList(iApp, pRequestServersResponse, eLANServer);
+}
+
+void Steam_Matchmaking_Servers::RequestFriendsServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
+{
+    PRINT_DEBUG("%s old\n", __FUNCTION__);
+    //TODO
+    RequestOldServerList(iApp, pRequestServersResponse, eFriendsServer);
+}
+
+void Steam_Matchmaking_Servers::RequestFavoritesServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
+{
+    PRINT_DEBUG("%s old\n", __FUNCTION__);
+    //TODO
+    RequestOldServerList(iApp, pRequestServersResponse, eFavoritesServer);
+}
+
+void Steam_Matchmaking_Servers::RequestHistoryServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
+{
+    PRINT_DEBUG("%s old\n", __FUNCTION__);
+    //TODO
+    RequestOldServerList(iApp, pRequestServersResponse, eHistoryServer);
+}
+
+void Steam_Matchmaking_Servers::RequestSpectatorServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse )
+{
+    PRINT_DEBUG("%s old\n", __FUNCTION__);
+    //TODO
+    RequestOldServerList(iApp, pRequestServersResponse, eSpectatorServer);
+}
+
 
 // Releases the asynchronous request object and cancels any pending query on it if there's a pending query in progress.
 // RefreshComplete callback is not posted when request is released.
@@ -410,6 +476,7 @@ void Steam_Matchmaking_Servers::RunCallbacks()
 
         r.gameservers_filtered.clear();
         for (auto &g : gameservers) {
+            PRINT_DEBUG("game_server_check %u %u\n", g.server.appid(), r.appid);
             if (g.server.appid() == r.appid) {
                 PRINT_DEBUG("REQUESTS server found\n");
                 r.gameservers_filtered.push_back(g);
@@ -440,6 +507,20 @@ void Steam_Matchmaking_Servers::RunCallbacks()
                 r.callbacks->RefreshComplete(r.id, eNoServersListedOnMasterServer);
             }
         }
+
+        if (r.old_callbacks) {
+            for (auto &g : r.gameservers_filtered) {
+                PRINT_DEBUG("old REQUESTS server responded cb %p\n", r.id);
+                r.old_callbacks->ServerResponded(i);
+                ++i;
+            }
+
+            if (i) {
+                r.old_callbacks->RefreshComplete(eServerResponded);
+            } else {
+                r.old_callbacks->RefreshComplete(eNoServersListedOnMasterServer);
+            }
+        }
     }
 
     std::vector <struct Steam_Matchmaking_Servers_Direct_IP_Request> direct_ip_requests_temp;
diff --git a/dll/steam_matchmaking_servers.h b/dll/steam_matchmaking_servers.h
index 71e2a57..21a643f 100644
--- a/dll/steam_matchmaking_servers.h
+++ b/dll/steam_matchmaking_servers.h
@@ -40,11 +40,13 @@ struct Steam_Matchmaking_Request {
     AppId_t appid;
     HServerListRequest id;
     ISteamMatchmakingServerListResponse *callbacks;
+	ISteamMatchmakingServerListResponse001 *old_callbacks;
     bool completed, cancelled, released;
     std::vector <struct Steam_Matchmaking_Servers_Gameserver> gameservers_filtered;
 };
 
-class Steam_Matchmaking_Servers : public ISteamMatchmakingServers
+class Steam_Matchmaking_Servers : public ISteamMatchmakingServers,
+public ISteamMatchmakingServers001
 {
     class Settings *settings;
     class Networking *network;
@@ -52,6 +54,7 @@ class Steam_Matchmaking_Servers : public ISteamMatchmakingServers
     std::vector <struct Steam_Matchmaking_Servers_Gameserver> gameservers;
     std::vector <struct Steam_Matchmaking_Request> requests;
     std::vector <struct Steam_Matchmaking_Servers_Direct_IP_Request> direct_ip_requests;
+	void RequestOldServerList(AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse, EMatchMakingType type);
 public:
     Steam_Matchmaking_Servers(class Settings *settings, class Networking *network);
 	// Request a new list of servers of a particular type.  These calls each correspond to one of the EMatchMakingType values.
@@ -64,6 +67,13 @@ public:
 	HServerListRequest RequestHistoryServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
 	HServerListRequest RequestSpectatorServerList( AppId_t iApp, STEAM_ARRAY_COUNT(nFilters) MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse *pRequestServersResponse );
 
+	void RequestInternetServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse );
+	void RequestLANServerList( AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse );
+	void RequestFriendsServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse );
+	void RequestFavoritesServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse );
+	void RequestHistoryServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse );
+	void RequestSpectatorServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse );
+
 	// Releases the asynchronous request object and cancels any pending query on it if there's a pending query in progress.
 	// RefreshComplete callback is not posted when request is released.
 	void ReleaseRequest( HServerListRequest hServerListRequest );
@@ -167,6 +177,28 @@ public:
 	// Refresh a single server inside of a query (rather than all the servers )
 	void RefreshServer( HServerListRequest hRequest, int iServer ); 
 
+	// Get details on a given server in the list, you can get the valid range of index
+	// values by calling GetServerCount().  You will also receive index values in 
+	// ISteamMatchmakingServerListResponse::ServerResponded() callbacks
+	gameserveritem_t *GetServerDetails( EMatchMakingType eType, int iServer ) { return GetServerDetails((HServerListRequest) eType , iServer ); }
+
+	// Cancel an request which is operation on the given list type.  You should call this to cancel
+	// any in-progress requests before destructing a callback object that may have been passed 
+	// to one of the above list request calls.  Not doing so may result in a crash when a callback
+	// occurs on the destructed object.
+	void CancelQuery( EMatchMakingType eType ) { return CancelQuery((HServerListRequest) eType); }
+
+	// Ping every server in your list again but don't update the list of servers
+	void RefreshQuery( EMatchMakingType eType ) { return RefreshQuery((HServerListRequest) eType); }
+
+	// Returns true if the list is currently refreshing its server list
+	bool IsRefreshing( EMatchMakingType eType ) { return IsRefreshing((HServerListRequest) eType); }
+
+	// How many servers in the given list, GetServerDetails above takes 0... GetServerCount() - 1
+	int GetServerCount( EMatchMakingType eType ) { return GetServerCount((HServerListRequest) eType); }
+
+	// Refresh a single server inside of a query (rather than all the servers )
+	void RefreshServer( EMatchMakingType eType, int iServer ) { return RefreshServer((HServerListRequest) eType, iServer); }
 
 	//-----------------------------------------------------------------------------
 	// Queries to individual servers directly via IP/Port
diff --git a/sdk_includes/isteamfriends003.h b/sdk_includes/isteamfriends003.h
new file mode 100644
index 0000000..148aaa8
--- /dev/null
+++ b/sdk_includes/isteamfriends003.h
@@ -0,0 +1,82 @@
+
+#ifndef ISTEAMFRIENDS003_H
+#define ISTEAMFRIENDS003_H
+#ifdef STEAM_WIN32
+#pragma once
+#endif
+
+
+class ISteamFriends003
+{
+public:
+	// returns the local players name - guaranteed to not be NULL.
+	// this is the same name as on the users community profile page
+	// this is stored in UTF-8 format
+	// like all the other interface functions that return a char *, it's important that this pointer is not saved
+	// off; it will eventually be free'd or re-allocated
+	virtual const char *GetPersonaName() = 0;
+	
+	// sets the player name, stores it on the server and publishes the changes to all friends who are online
+	virtual void SetPersonaName_old( const char *pchPersonaName ) = 0;
+
+	// gets the status of the current user
+	virtual EPersonaState GetPersonaState() = 0;
+
+	// friend iteration
+	// takes a set of k_EFriendFlags, and returns the number of users the client knows about who meet that criteria
+	// then GetFriendByIndex() can then be used to return the id's of each of those users
+	virtual int GetFriendCount( int iFriendFlags ) = 0;
+
+	// returns the steamID of a user
+	// iFriend is a index of range [0, GetFriendCount())
+	// iFriendsFlags must be the same value as used in GetFriendCount()
+	// the returned CSteamID can then be used by all the functions below to access details about the user
+	virtual CSteamID GetFriendByIndex( int iFriend, int iFriendFlags ) = 0;
+
+	// returns a relationship to a user
+	virtual EFriendRelationship GetFriendRelationship( CSteamID steamIDFriend ) = 0;
+
+	// returns the current status of the specified user
+	// this will only be known by the local user if steamIDFriend is in their friends list; on the same game server; in a chat room or lobby; or in a small group with the local user
+	virtual EPersonaState GetFriendPersonaState( CSteamID steamIDFriend ) = 0;
+
+	// returns the name another user - guaranteed to not be NULL.
+	// same rules as GetFriendPersonaState() apply as to whether or not the user knowns the name of the other user
+	// note that on first joining a lobby, chat room or game server the local user will not known the name of the other users automatically; that information will arrive asyncronously
+	// 
+	virtual const char *GetFriendPersonaName( CSteamID steamIDFriend ) = 0;
+
+	// gets the avatar of the current user, which is a handle to be used in IClientUtils::GetImageRGBA(), or 0 if none set
+	virtual int GetFriendAvatar( CSteamID steamIDFriend ) = 0;
+	// returns true if the friend is actually in a game
+	virtual bool GetFriendGamePlayed( CSteamID steamIDFriend, uint64 *pulGameID, uint32 *punGameIP, uint16 *pusGamePort, uint16 *pusQueryPort ) = 0;
+	// accesses old friends names - returns an empty string when their are no more items in the history
+	virtual const char *GetFriendPersonaNameHistory( CSteamID steamIDFriend, int iPersonaName ) = 0;
+
+	// returns true if the specified user meets any of the criteria specified in iFriendFlags
+	// iFriendFlags can be the union (binary or, |) of one or more k_EFriendFlags values
+	virtual bool HasFriend( CSteamID steamIDFriend, int iFriendFlags ) = 0;
+
+	// clan (group) iteration and access functions
+	virtual int GetClanCount() = 0;
+	virtual CSteamID GetClanByIndex( int iClan ) = 0;
+	virtual const char *GetClanName( CSteamID steamIDClan ) = 0;
+
+	// iterators for getting users in a chat room, lobby, game server or clan
+	// note that large clans that cannot be iterated by the local user
+	// steamIDSource can be the steamID of a group, game server, lobby or chat room
+	virtual int GetFriendCountFromSource( CSteamID steamIDSource ) = 0;
+	virtual CSteamID GetFriendFromSourceByIndex( CSteamID steamIDSource, int iFriend ) = 0;
+
+	// returns true if the local user can see that steamIDUser is a member or in steamIDSource
+	virtual bool IsUserInSource( CSteamID steamIDUser, CSteamID steamIDSource ) = 0;
+
+	// User is in a game pressing the talk button (will suppress the microphone for all voice comms from the Steam friends UI)
+	virtual void SetInGameVoiceSpeaking( CSteamID steamIDUser, bool bSpeaking ) = 0;
+
+	// activates the game overlay, with an optional dialog to open ("Friends", "Community", "Players", "Settings")
+	virtual void ActivateGameOverlay( const char *pchDialog ) = 0;
+};
+
+
+#endif // ISTEAMFRIENDS003_H
diff --git a/sdk_includes/isteamgameserver004.h b/sdk_includes/isteamgameserver004.h
new file mode 100644
index 0000000..de2f764
--- /dev/null
+++ b/sdk_includes/isteamgameserver004.h
@@ -0,0 +1,84 @@
+
+#ifndef ISTEAMGAMESERVER004_H
+#define ISTEAMGAMESERVER004_H
+#ifdef STEAM_WIN32
+#pragma once
+#endif
+
+class ISteamGameServer004
+{
+public:
+	// connection functions
+	virtual void LogOn() = 0;
+	virtual void LogOff() = 0;
+	
+	// status functions
+	virtual bool BLoggedOn() = 0;
+	virtual bool BSecure() = 0; 
+	virtual CSteamID GetSteamID() = 0;
+
+	// Handles receiving a new connection from a Steam user.  This call will ask the Steam
+	// servers to validate the users identity, app ownership, and VAC status.  If the Steam servers 
+	// are off-line, then it will validate the cached ticket itself which will validate app ownership 
+	// and identity.  The AuthBlob here should be acquired on the game client using SteamUser()->InitiateGameConnection()
+	// and must then be sent up to the game server for authentication.
+	//
+	// Return Value: true/false depending on whether the call succeeds.  If the call succeeds then you
+	// should expect a GSClientApprove_t or GSClientDeny_t callback which will tell you whether authentication
+	// for the user has succeeded or failed.
+	virtual void SendUserConnectAndAuthenticate( CSteamID steamIDUser, uint32 unIPClient, void *pvAuthBlob, uint32 cubAuthBlobSize ) = 0;
+
+	// Creates a fake user (ie, a bot) which will be listed as playing on the server, but skips validation.  
+	// 
+	// Return Value: Returns a SteamID for the user to be tracked with, you should call HandleUserDisconnect()
+	// when this user leaves the server just like you would for a real user.
+	virtual CSteamID CreateUnauthenticatedUserConnection() = 0;
+
+	// Should be called whenever a user leaves our game server, this lets Steam internally
+	// track which users are currently on which servers for the purposes of preventing a single
+	// account being logged into multiple servers, showing who is currently on a server, etc.
+	virtual void SendUserDisconnect( CSteamID steamIDUser ) = 0;
+
+	// Update the data to be displayed in the server browser and matchmaking interfaces for a user
+	// currently connected to the server.  For regular users you must call this after you receive a
+	// GSUserValidationSuccess callback.
+	// 
+	// Return Value: true if successful, false if failure (ie, steamIDUser wasn't for an active player)
+	virtual bool BUpdateUserData( CSteamID steamIDUser, const char *pchPlayerName, uint32 uScore ) = 0;
+
+	// You shouldn't need to call this as it is called internally by SteamGameServer_Init() and can only be called once.
+	//
+	// To update the data in this call which may change during the servers lifetime see UpdateServerStatus() below.
+	//
+	// Input:	nGameAppID - The Steam assigned AppID for the game
+	//			unServerFlags - Any applicable combination of flags (see k_unServerFlag____ constants below)
+	//			unGameIP - The IP Address the server is listening for client connections on (might be INADDR_ANY)
+	//			unGamePort - The port which the server is listening for client connections on
+	//			unSpectatorPort - the port on which spectators can join to observe the server, 0 if spectating is not supported
+	//			usQueryPort - The port which the ISteamMasterServerUpdater API should use in order to listen for matchmaking requests
+	//			pchGameDir - A unique string identifier for your game
+	//			pchVersion - The current version of the server as a string like 1.0.0.0
+	//			bLanMode - Is this a LAN only server?
+	//			
+	// bugbug jmccaskey - figure out how to remove this from the API and only expose via SteamGameServer_Init... or make this actually used,
+	// and stop calling it in SteamGameServer_Init()?
+	virtual bool BSetServerType( int32 nGameAppId, uint32 unServerFlags, uint32 unGameIP, uint16 unGamePort, 
+								uint16 unSpectatorPort, uint16 usQueryPort, const char *pchGameDir, const char *pchVersion, bool bLANMode ) = 0;
+
+	// Updates server status values which shows up in the server browser and matchmaking APIs
+	virtual void UpdateServerStatus( int cPlayers, int cPlayersMax, int cBotPlayers, 
+									 const char *pchServerName, const char *pSpectatorServerName, 
+									 const char *pchMapName ) = 0;
+
+	// This can be called if spectator goes away or comes back (passing 0 means there is no spectator server now).
+	virtual void UpdateSpectatorPort( uint16 unSpectatorPort ) = 0;
+
+	// Sets a string defining the "gametype" for this server, this is optional, but if it is set
+	// it allows users to filter in the matchmaking/server-browser interfaces based on the value
+	virtual void SetGameType( const char *pchGameType ) = 0; 
+
+	// Ask if a user has a specific achievement for this game, will get a callback on reply
+	virtual bool BGetUserAchievementStatus( CSteamID steamID, const char *pchAchievementName ) = 0;
+};
+
+#endif // ISTEAMGAMESERVER004_H
diff --git a/sdk_includes/isteammatchmaking.h b/sdk_includes/isteammatchmaking.h
index a936b56..407af96 100644
--- a/sdk_includes/isteammatchmaking.h
+++ b/sdk_includes/isteammatchmaking.h
@@ -891,7 +891,21 @@ struct LobbyCreated_t
 
 // used by now obsolete RequestFriendsLobbiesResponse_t
 // enum { k_iCallback = k_iSteamMatchmakingCallbacks + 14 };
+//-----------------------------------------------------------------------------
+// Purpose: Response to a RequestFriendsLobbies() call
+//			One of these callbacks will be received per friend who is in a lobby
+//			if no friends are in a lobby, then one of these will be called with 0 values
+//-----------------------------------------------------------------------------
+struct RequestFriendsLobbiesResponse_t
+{
+	enum { k_iCallback = k_iSteamMatchmakingCallbacks + 14 };
+	
+	uint64 m_ulSteamIDFriend;	// friend who is in a lobby; 0 if no friends in lobbies are found
+	uint64 m_ulSteamIDLobby;	// lobby that the friend is in; 0 if no friends in lobbies are found
 
+	int m_cResultIndex;			// result #, [1, m_cResultsTotal] if any are found; 0 if no friends in lobbies are found
+	int m_cResultsTotal;		// total number of results; 0 if no friends in lobbies are found
+};
 
 //-----------------------------------------------------------------------------
 // Purpose: Result of CheckForPSNGameBootInvite
diff --git a/sdk_includes/isteammatchmaking002.h b/sdk_includes/isteammatchmaking002.h
new file mode 100644
index 0000000..4929aa8
--- /dev/null
+++ b/sdk_includes/isteammatchmaking002.h
@@ -0,0 +1,126 @@
+
+#ifndef ISTEAMMATCHMAKING002_H
+#define ISTEAMMATCHMAKING002_H
+#ifdef STEAM_WIN32
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Functions for match making services for clients to get to favorites
+//			and to operate on game lobbies.
+//-----------------------------------------------------------------------------
+class ISteamMatchmaking002
+{
+public:
+	// game server favorites storage
+	// saves basic details about a multiplayer game server locally
+
+	// returns the number of favorites servers the user has stored
+	virtual int GetFavoriteGameCount() = 0;
+	
+	// returns the details of the game server
+	// iGame is of range [0,GetFavoriteGameCount())
+	// *pnIP, *pnConnPort are filled in the with IP:port of the game server
+	// *punFlags specify whether the game server was stored as an explicit favorite or in the history of connections
+	// *pRTime32LastPlayedOnServer is filled in the with the Unix time the favorite was added
+	virtual bool GetFavoriteGame( int iGame, AppId_t *pnAppID, uint32 *pnIP, uint16 *pnConnPort, uint16 *pnQueryPort, uint32 *punFlags, uint32 *pRTime32LastPlayedOnServer ) = 0;
+
+	// adds the game server to the local list; updates the time played of the server if it already exists in the list
+	virtual int AddFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags, uint32 rTime32LastPlayedOnServer ) =0;
+	
+	// removes the game server from the local storage; returns true if one was removed
+    virtual bool RemoveFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags ) = 0;
+
+	///////
+	// Game lobby functions
+
+	// Get a list of relevant lobbies
+	// this is an asynchronous request
+	// results will be returned by LobbyMatchList_t callback, with the number of servers requested
+	// if the user is not currently connected to Steam (i.e. SteamUser()->BLoggedOn() returns false) then
+	// a LobbyMatchList_t callback will be posted immediately with no servers
+	virtual void RequestLobbyList_OLD() = 0;
+
+	// returns the CSteamID of a lobby, as retrieved by a RequestLobbyList call
+	// should only be called after a LobbyMatchList_t callback is received
+	// iLobby is of the range [0, LobbyMatchList_t::m_nLobbiesMatching)
+	// the returned CSteamID::IsValid() will be false if iLobby is out of range
+	virtual CSteamID GetLobbyByIndex( int iLobby ) = 0;
+
+	// Create a lobby on the Steam servers.
+	// If bPrivate is true, then the lobby will not be returned by any RequestLobbyList() call; the CSteamID
+	// of the lobby will need to be communicated via game channels or via InviteUserToLobby()
+	// this is an asynchronous request
+	// results will be returned by LobbyCreated_t callback when the lobby has been created;
+	// local user will the join the lobby, resulting in an additional LobbyEnter_t callback being sent
+	// operations on the chat room can only proceed once the LobbyEnter_t has been received
+	virtual void CreateLobby( bool bPrivate ) = 0;
+
+	// Joins an existing lobby
+	// this is an asynchronous request
+	// results will be returned by LobbyEnter_t callback when the lobby has been joined
+	virtual void JoinLobby_OLD( CSteamID steamIDLobby ) = 0;
+
+	// Leave a lobby; this will take effect immediately on the client side
+	// other users in the lobby will be notified by a LobbyChatUpdate_t callback
+	virtual void LeaveLobby( CSteamID steamIDLobby ) = 0;
+
+	// Invite another user to the lobby
+	// the target user will receive a LobbyInvite_t callback
+	// will return true if the invite is successfully sent, whether or not the target responds
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool InviteUserToLobby( CSteamID steamIDLobby, CSteamID steamIDInvitee ) = 0;
+
+	// Lobby iteration, for viewing details of users in a lobby
+	// only accessible if the lobby user is a member of the specified lobby
+	// persona information for other lobby members (name, avatar, etc.) will be asynchronously received
+	// and accessible via ISteamFriends interface
+	
+	// returns the number of users in the specified lobby
+	virtual int GetNumLobbyMembers( CSteamID steamIDLobby ) = 0;
+	// returns the CSteamID of a user in the lobby
+	// iMember is of range [0,GetNumLobbyMembers())
+	virtual CSteamID GetLobbyMemberByIndex( CSteamID steamIDLobby, int iMember ) = 0;
+
+	// Get data associated with this lobby
+	// takes a simple key, and returns the string associated with it
+	// "" will be returned if no value is set, or if steamIDLobby is invalid
+	virtual const char *GetLobbyData( CSteamID steamIDLobby, const char *pchKey ) = 0;
+	// Sets a key/value pair in the lobby metadata
+	// each user in the lobby will be broadcast this new value, and any new users joining will receive any existing data
+	// this can be used to set lobby names, map, etc.
+	// to reset a key, just set it to ""
+	// other users in the lobby will receive notification of the lobby data change via a LobbyDataUpdate_t callback
+	virtual bool SetLobbyData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+
+	// As above, but gets per-user data for someone in this lobby
+	virtual const char *GetLobbyMemberData( CSteamID steamIDLobby, CSteamID steamIDUser, const char *pchKey ) = 0;
+	// Sets per-user metadata (for the local user implicitly)
+	virtual void SetLobbyMemberData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+	
+	// Broadcasts a chat message to the all the users in the lobby
+	// users in the lobby (including the local user) will receive a LobbyChatMsg_t callback
+	// returns true if the message is successfully sent
+	// pvMsgBody can be binary or text data, up to 4k
+	// if pvMsgBody is text, cubMsgBody should be strlen( text ) + 1, to include the null terminator
+	virtual bool SendLobbyChatMsg( CSteamID steamIDLobby, const void *pvMsgBody, int cubMsgBody ) = 0;
+	// Get a chat message as specified in a LobbyChatMsg_t callback
+	// iChatID is the LobbyChatMsg_t::m_iChatID value in the callback
+	// *pSteamIDUser is filled in with the CSteamID of the member
+	// *pvData is filled in with the message itself
+	// return value is the number of bytes written into the buffer
+	virtual int GetLobbyChatEntry( CSteamID steamIDLobby, int iChatID, CSteamID *pSteamIDUser, void *pvData, int cubData, EChatEntryType *peChatEntryType ) = 0;
+
+	// Fetch metadata for a lobby you're not necessarily in right now
+	// this will send down all the metadata associated with a lobby
+	// this is an asynchronous call
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool RequestLobbyData( CSteamID steamIDLobby ) = 0;
+	
+	// sets the game server associated with the lobby
+	// usually at this point, the users will leave the lobby and join the specified game server
+	// either the IP/Port or the steamID of the game server has to be valid, depending on how you want the clients to be able to connect
+	virtual void SetLobbyGameServer( CSteamID steamIDLobby, uint32 unGameServerIP, uint16 unGameServerPort, CSteamID steamIDGameServer ) = 0;
+};
+
+#endif // ISTEAMMATCHMAKING002_H
diff --git a/sdk_includes/isteammatchmaking003.h b/sdk_includes/isteammatchmaking003.h
new file mode 100644
index 0000000..c5507e5
--- /dev/null
+++ b/sdk_includes/isteammatchmaking003.h
@@ -0,0 +1,151 @@
+
+#ifndef ISTEAMMATCHMAKING003_H
+#define ISTEAMMATCHMAKING003_H
+#ifdef STEAM_WIN32
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Functions for match making services for clients to get to favorites
+//			and to operate on game lobbies.
+//-----------------------------------------------------------------------------
+class ISteamMatchmaking003
+{
+public:
+	// game server favorites storage
+	// saves basic details about a multiplayer game server locally
+
+	// returns the number of favorites servers the user has stored
+	virtual int GetFavoriteGameCount() = 0;
+	
+	// returns the details of the game server
+	// iGame is of range [0,GetFavoriteGameCount())
+	// *pnIP, *pnConnPort are filled in the with IP:port of the game server
+	// *punFlags specify whether the game server was stored as an explicit favorite or in the history of connections
+	// *pRTime32LastPlayedOnServer is filled in the with the Unix time the favorite was added
+	virtual bool GetFavoriteGame( int iGame, AppId_t *pnAppID, uint32 *pnIP, uint16 *pnConnPort, uint16 *pnQueryPort, uint32 *punFlags, uint32 *pRTime32LastPlayedOnServer ) = 0;
+
+	// adds the game server to the local list; updates the time played of the server if it already exists in the list
+	virtual int AddFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags, uint32 rTime32LastPlayedOnServer ) =0;
+	
+	// removes the game server from the local storage; returns true if one was removed
+    virtual bool RemoveFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags ) = 0;
+
+	///////
+	// Game lobby functions
+
+	// Get a list of relevant lobbies
+	// this is an asynchronous request
+	// results will be returned by LobbyMatchList_t callback, with the number of servers requested
+	// if the user is not currently connected to Steam (i.e. SteamUser()->BLoggedOn() returns false) then
+	// a LobbyMatchList_t callback will be posted immediately with no servers
+	virtual void RequestLobbyList_OLD() = 0;
+
+	// filters for lobbies
+	// this needs to be called before RequestLobbyList() to take effect
+	// these are cleared on each call to RequestLobbyList()
+	virtual void AddRequestLobbyListFilter( const char *pchKeyToMatch, const char *pchValueToMatch ) = 0;
+	// numerical comparison - 0 is equal, -1 is the lobby value is less than nValueToMatch, 1 is the lobby value is greater than nValueToMatch
+	virtual void AddRequestLobbyListNumericalFilter( const char *pchKeyToMatch, int nValueToMatch, int nComparisonType /* 0 is equal, -1 is less than, 1 is greater than */ ) = 0;
+	// sets RequestLobbyList() to only returns lobbies which aren't yet full - needs SetLobbyMemberLimit() called on the lobby to set an initial limit
+	virtual void AddRequestLobbyListSlotsAvailableFilter() = 0;
+
+	// returns the CSteamID of a lobby, as retrieved by a RequestLobbyList call
+	// should only be called after a LobbyMatchList_t callback is received
+	// iLobby is of the range [0, LobbyMatchList_t::m_nLobbiesMatching)
+	// the returned CSteamID::IsValid() will be false if iLobby is out of range
+	virtual CSteamID GetLobbyByIndex( int iLobby ) = 0;
+
+	// Create a lobby on the Steam servers.
+	// If bPrivate is true, then the lobby will not be returned by any RequestLobbyList() call; the CSteamID
+	// of the lobby will need to be communicated via game channels or via InviteUserToLobby()
+	// this is an asynchronous request
+	// results will be returned by LobbyCreated_t callback when the lobby has been created;
+	// local user will the join the lobby, resulting in an additional LobbyEnter_t callback being sent
+	// operations on the chat room can only proceed once the LobbyEnter_t has been received
+	virtual void CreateLobby( bool bPrivate ) = 0;
+
+	// Joins an existing lobby
+	// this is an asynchronous request
+	// results will be returned by LobbyEnter_t callback when the lobby has been joined
+	// users already in the lobby will receive LobbyChatUpdate_t callback after this user has successfully joined
+	virtual void JoinLobby_OLD( CSteamID steamIDLobby ) = 0;
+
+	// Leave a lobby; this will take effect immediately on the client side
+	// other users in the lobby will be notified by a LobbyChatUpdate_t callback
+	virtual void LeaveLobby( CSteamID steamIDLobby ) = 0;
+
+	// Invite another user to the lobby
+	// the target user will receive a LobbyInvite_t callback
+	// will return true if the invite is successfully sent, whether or not the target responds
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool InviteUserToLobby( CSteamID steamIDLobby, CSteamID steamIDInvitee ) = 0;
+
+	// Lobby iteration, for viewing details of users in a lobby
+	// only accessible if the lobby user is a member of the specified lobby
+	// persona information for other lobby members (name, avatar, etc.) will be asynchronously received
+	// and accessible via ISteamFriends interface
+	
+	// returns the number of users in the specified lobby
+	virtual int GetNumLobbyMembers( CSteamID steamIDLobby ) = 0;
+	// returns the CSteamID of a user in the lobby
+	// iMember is of range [0,GetNumLobbyMembers())
+	virtual CSteamID GetLobbyMemberByIndex( CSteamID steamIDLobby, int iMember ) = 0;
+
+	// Get data associated with this lobby
+	// takes a simple key, and returns the string associated with it
+	// "" will be returned if no value is set, or if steamIDLobby is invalid
+	virtual const char *GetLobbyData( CSteamID steamIDLobby, const char *pchKey ) = 0;
+	// Sets a key/value pair in the lobby metadata
+	// each user in the lobby will be broadcast this new value, and any new users joining will receive any existing data
+	// this can be used to set lobby names, map, etc.
+	// to reset a key, just set it to ""
+	// other users in the lobby will receive notification of the lobby data change via a LobbyDataUpdate_t callback
+	virtual bool SetLobbyData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+
+	// As above, but gets per-user data for someone in this lobby
+	virtual const char *GetLobbyMemberData( CSteamID steamIDLobby, CSteamID steamIDUser, const char *pchKey ) = 0;
+	// Sets per-user metadata (for the local user implicitly)
+	virtual void SetLobbyMemberData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+	
+	// Broadcasts a chat message to the all the users in the lobby
+	// users in the lobby (including the local user) will receive a LobbyChatMsg_t callback
+	// returns true if the message is successfully sent
+	// pvMsgBody can be binary or text data, up to 4k
+	// if pvMsgBody is text, cubMsgBody should be strlen( text ) + 1, to include the null terminator
+	virtual bool SendLobbyChatMsg( CSteamID steamIDLobby, const void *pvMsgBody, int cubMsgBody ) = 0;
+	// Get a chat message as specified in a LobbyChatMsg_t callback
+	// iChatID is the LobbyChatMsg_t::m_iChatID value in the callback
+	// *pSteamIDUser is filled in with the CSteamID of the member
+	// *pvData is filled in with the message itself
+	// return value is the number of bytes written into the buffer
+	virtual int GetLobbyChatEntry( CSteamID steamIDLobby, int iChatID, CSteamID *pSteamIDUser, void *pvData, int cubData, EChatEntryType *peChatEntryType ) = 0;
+
+	// Fetch metadata for a lobby you're not necessarily in right now
+	// this will send down all the metadata associated with a lobby
+	// this is an asynchronous call
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool RequestLobbyData( CSteamID steamIDLobby ) = 0;
+	
+	// sets the game server associated with the lobby
+	// usually at this point, the users will leave the lobby and join the specified game server
+	// either the IP/Port or the steamID of the game server has to be valid, depending on how you want the clients to be able to connect
+	virtual void SetLobbyGameServer( CSteamID steamIDLobby, uint32 unGameServerIP, uint16 unGameServerPort, CSteamID steamIDGameServer ) = 0;
+	// returns the details of a game server set in a lobby - returns false if there is no game server set, or that lobby doesn't exist
+	virtual bool GetLobbyGameServer( CSteamID steamIDLobby, uint32 *punGameServerIP, uint16 *punGameServerPort, CSteamID *psteamIDGameServer ) = 0;
+
+	// set the limit on the # of users who can join the lobby
+	virtual bool SetLobbyMemberLimit( CSteamID steamIDLobby, int cMaxMembers ) = 0;
+	// returns the current limit on the # of users who can join the lobby; returns 0 if no limit is defined
+	virtual int GetLobbyMemberLimit( CSteamID steamIDLobby ) = 0;
+
+	virtual void SetLobbyVoiceEnabled( CSteamID steamIDLobby, bool bVoiceEnabled ) = 0;
+
+	// asks the Steam servers for a list of lobbies that friends are in
+	// returns results by posting one RequestFriendsLobbiesResponse_t callback per friend/lobby pair
+	// if no friends are in lobbies, RequestFriendsLobbiesResponse_t will be posted but with 0 results
+	// filters don't apply to lobbies (currently)
+	virtual bool RequestFriendsLobbies() = 0;
+};
+
+#endif // ISTEAMMATCHMAKING003_H
diff --git a/sdk_includes/isteammatchmaking004.h b/sdk_includes/isteammatchmaking004.h
new file mode 100644
index 0000000..e9facd6
--- /dev/null
+++ b/sdk_includes/isteammatchmaking004.h
@@ -0,0 +1,149 @@
+
+#ifndef ISTEAMMATCHMAKING004_H
+#define ISTEAMMATCHMAKING004_H
+#ifdef STEAM_WIN32
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Functions for match making services for clients to get to favorites
+//			and to operate on game lobbies.
+//-----------------------------------------------------------------------------
+class ISteamMatchmaking004
+{
+public:
+	// game server favorites storage
+	// saves basic details about a multiplayer game server locally
+
+	// returns the number of favorites servers the user has stored
+	virtual int GetFavoriteGameCount() = 0;
+	
+	// returns the details of the game server
+	// iGame is of range [0,GetFavoriteGameCount())
+	// *pnIP, *pnConnPort are filled in the with IP:port of the game server
+	// *punFlags specify whether the game server was stored as an explicit favorite or in the history of connections
+	// *pRTime32LastPlayedOnServer is filled in the with the Unix time the favorite was added
+	virtual bool GetFavoriteGame( int iGame, AppId_t *pnAppID, uint32 *pnIP, uint16 *pnConnPort, uint16 *pnQueryPort, uint32 *punFlags, uint32 *pRTime32LastPlayedOnServer ) = 0;
+
+	// adds the game server to the local list; updates the time played of the server if it already exists in the list
+	virtual int AddFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags, uint32 rTime32LastPlayedOnServer ) =0;
+	
+	// removes the game server from the local storage; returns true if one was removed
+    virtual bool RemoveFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags ) = 0;
+
+	///////
+	// Game lobby functions
+
+	// Get a list of relevant lobbies
+	// this is an asynchronous request
+	// results will be returned by LobbyMatchList_t callback, with the number of servers requested
+	// if the user is not currently connected to Steam (i.e. SteamUser()->BLoggedOn() returns false) then
+	// a LobbyMatchList_t callback will be posted immediately with no servers
+	virtual void RequestLobbyList_OLD() = 0;
+
+	// filters for lobbies
+	// this needs to be called before RequestLobbyList() to take effect
+	// these are cleared on each call to RequestLobbyList()
+	virtual void AddRequestLobbyListFilter( const char *pchKeyToMatch, const char *pchValueToMatch ) = 0;
+	// numerical comparison - 0 is equal, -1 is the lobby value is less than nValueToMatch, 1 is the lobby value is greater than nValueToMatch
+	virtual void AddRequestLobbyListNumericalFilter( const char *pchKeyToMatch, int nValueToMatch, int nComparisonType /* 0 is equal, -1 is less than, 1 is greater than */ ) = 0;
+	// sets RequestLobbyList() to only returns lobbies which aren't yet full - needs SetLobbyMemberLimit() called on the lobby to set an initial limit
+	virtual void AddRequestLobbyListSlotsAvailableFilter() = 0;
+
+	// returns the CSteamID of a lobby, as retrieved by a RequestLobbyList call
+	// should only be called after a LobbyMatchList_t callback is received
+	// iLobby is of the range [0, LobbyMatchList_t::m_nLobbiesMatching)
+	// the returned CSteamID::IsValid() will be false if iLobby is out of range
+	virtual CSteamID GetLobbyByIndex( int iLobby ) = 0;
+
+	// Create a lobby on the Steam servers.
+	// If bPrivate is true, then the lobby will not be returned by any RequestLobbyList() call; the CSteamID
+	// of the lobby will need to be communicated via game channels or via InviteUserToLobby()
+	// this is an asynchronous request
+	// results will be returned by LobbyCreated_t callback when the lobby has been created;
+	// local user will the join the lobby, resulting in an additional LobbyEnter_t callback being sent
+	// operations on the chat room can only proceed once the LobbyEnter_t has been received
+	virtual void CreateLobby( bool bPrivate ) = 0;
+
+	// Joins an existing lobby
+	// this is an asynchronous request
+	// results will be returned by LobbyEnter_t callback when the lobby has been joined
+	// users already in the lobby will receive LobbyChatUpdate_t callback after this user has successfully joined
+	virtual void JoinLobby_OLD( CSteamID steamIDLobby ) = 0;
+
+	// Leave a lobby; this will take effect immediately on the client side
+	// other users in the lobby will be notified by a LobbyChatUpdate_t callback
+	virtual void LeaveLobby( CSteamID steamIDLobby ) = 0;
+
+	// Invite another user to the lobby
+	// the target user will receive a LobbyInvite_t callback
+	// will return true if the invite is successfully sent, whether or not the target responds
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool InviteUserToLobby( CSteamID steamIDLobby, CSteamID steamIDInvitee ) = 0;
+
+	// Lobby iteration, for viewing details of users in a lobby
+	// only accessible if the lobby user is a member of the specified lobby
+	// persona information for other lobby members (name, avatar, etc.) will be asynchronously received
+	// and accessible via ISteamFriends interface
+	
+	// returns the number of users in the specified lobby
+	virtual int GetNumLobbyMembers( CSteamID steamIDLobby ) = 0;
+	// returns the CSteamID of a user in the lobby
+	// iMember is of range [0,GetNumLobbyMembers())
+	virtual CSteamID GetLobbyMemberByIndex( CSteamID steamIDLobby, int iMember ) = 0;
+
+	// Get data associated with this lobby
+	// takes a simple key, and returns the string associated with it
+	// "" will be returned if no value is set, or if steamIDLobby is invalid
+	virtual const char *GetLobbyData( CSteamID steamIDLobby, const char *pchKey ) = 0;
+	// Sets a key/value pair in the lobby metadata
+	// each user in the lobby will be broadcast this new value, and any new users joining will receive any existing data
+	// this can be used to set lobby names, map, etc.
+	// to reset a key, just set it to ""
+	// other users in the lobby will receive notification of the lobby data change via a LobbyDataUpdate_t callback
+	virtual bool SetLobbyData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+
+	// As above, but gets per-user data for someone in this lobby
+	virtual const char *GetLobbyMemberData( CSteamID steamIDLobby, CSteamID steamIDUser, const char *pchKey ) = 0;
+	// Sets per-user metadata (for the local user implicitly)
+	virtual void SetLobbyMemberData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+	
+	// Broadcasts a chat message to the all the users in the lobby
+	// users in the lobby (including the local user) will receive a LobbyChatMsg_t callback
+	// returns true if the message is successfully sent
+	// pvMsgBody can be binary or text data, up to 4k
+	// if pvMsgBody is text, cubMsgBody should be strlen( text ) + 1, to include the null terminator
+	virtual bool SendLobbyChatMsg( CSteamID steamIDLobby, const void *pvMsgBody, int cubMsgBody ) = 0;
+	// Get a chat message as specified in a LobbyChatMsg_t callback
+	// iChatID is the LobbyChatMsg_t::m_iChatID value in the callback
+	// *pSteamIDUser is filled in with the CSteamID of the member
+	// *pvData is filled in with the message itself
+	// return value is the number of bytes written into the buffer
+	virtual int GetLobbyChatEntry( CSteamID steamIDLobby, int iChatID, CSteamID *pSteamIDUser, void *pvData, int cubData, EChatEntryType *peChatEntryType ) = 0;
+
+	// Fetch metadata for a lobby you're not necessarily in right now
+	// this will send down all the metadata associated with a lobby
+	// this is an asynchronous call
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool RequestLobbyData( CSteamID steamIDLobby ) = 0;
+	
+	// sets the game server associated with the lobby
+	// usually at this point, the users will leave the lobby and join the specified game server
+	// either the IP/Port or the steamID of the game server has to be valid, depending on how you want the clients to be able to connect
+	virtual void SetLobbyGameServer( CSteamID steamIDLobby, uint32 unGameServerIP, uint16 unGameServerPort, CSteamID steamIDGameServer ) = 0;
+	// returns the details of a game server set in a lobby - returns false if there is no game server set, or that lobby doesn't exist
+	virtual bool GetLobbyGameServer( CSteamID steamIDLobby, uint32 *punGameServerIP, uint16 *punGameServerPort, CSteamID *psteamIDGameServer ) = 0;
+
+	// set the limit on the # of users who can join the lobby
+	virtual bool SetLobbyMemberLimit( CSteamID steamIDLobby, int cMaxMembers ) = 0;
+	// returns the current limit on the # of users who can join the lobby; returns 0 if no limit is defined
+	virtual int GetLobbyMemberLimit( CSteamID steamIDLobby ) = 0;
+
+	// asks the Steam servers for a list of lobbies that friends are in
+	// returns results by posting one RequestFriendsLobbiesResponse_t callback per friend/lobby pair
+	// if no friends are in lobbies, RequestFriendsLobbiesResponse_t will be posted but with 0 results
+	// filters don't apply to lobbies (currently)
+	virtual bool RequestFriendsLobbies() = 0;
+};
+
+#endif // ISTEAMMATCHMAKING004_H
diff --git a/sdk_includes/isteammatchmaking005.h b/sdk_includes/isteammatchmaking005.h
new file mode 100644
index 0000000..95bfe32
--- /dev/null
+++ b/sdk_includes/isteammatchmaking005.h
@@ -0,0 +1,177 @@
+
+#ifndef ISTEAMMATCHMAKING005_H
+#define ISTEAMMATCHMAKING005_H
+#ifdef STEAM_WIN32
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Functions for match making services for clients to get to favorites
+//			and to operate on game lobbies.
+//-----------------------------------------------------------------------------
+class ISteamMatchmaking005
+{
+public:
+	// game server favorites storage
+	// saves basic details about a multiplayer game server locally
+
+	// returns the number of favorites servers the user has stored
+	virtual int GetFavoriteGameCount() = 0;
+	
+	// returns the details of the game server
+	// iGame is of range [0,GetFavoriteGameCount())
+	// *pnIP, *pnConnPort are filled in the with IP:port of the game server
+	// *punFlags specify whether the game server was stored as an explicit favorite or in the history of connections
+	// *pRTime32LastPlayedOnServer is filled in the with the Unix time the favorite was added
+	virtual bool GetFavoriteGame( int iGame, AppId_t *pnAppID, uint32 *pnIP, uint16 *pnConnPort, uint16 *pnQueryPort, uint32 *punFlags, uint32 *pRTime32LastPlayedOnServer ) = 0;
+
+	// adds the game server to the local list; updates the time played of the server if it already exists in the list
+	virtual int AddFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags, uint32 rTime32LastPlayedOnServer ) =0;
+	
+	// removes the game server from the local storage; returns true if one was removed
+    virtual bool RemoveFavoriteGame( AppId_t nAppID, uint32 nIP, uint16 nConnPort, uint16 nQueryPort, uint32 unFlags ) = 0;
+
+	///////
+	// Game lobby functions
+
+	// Get a list of relevant lobbies
+	// this is an asynchronous request
+	// results will be returned by LobbyMatchList_t callback & call result, with the number of lobbies found
+	// this will never return lobbies that are full
+	// to add more filter, the filter calls below need to be call before each and every RequestLobbyList() call
+	// use the CCallResult<> object in steam_api.h to match the SteamAPICall_t call result to a function in an object, e.g.
+	/*
+		class CMyLobbyListManager
+		{
+			CCallResult<CMyLobbyListManager, LobbyMatchList_t> m_CallResultLobbyMatchList;
+			void FindLobbies()
+			{
+				// SteamMatchmaking()->AddRequestLobbyListFilter*() functions would be called here, before RequestLobbyList()
+				SteamAPICall_t hSteamAPICall = SteamMatchmaking()->RequestLobbyList();
+				m_CallResultLobbyMatchList.Set( hSteamAPICall, this, &CMyLobbyListManager::OnLobbyMatchList );
+			}
+
+			void OnLobbyMatchList( LobbyMatchList_t *pLobbyMatchList, bool bIOFailure )
+			{
+				// lobby list has be retrieved from Steam back-end, use results
+			}
+		}
+	*/
+	// 
+	virtual void RequestLobbyList_OLD() = 0;
+	// filters for lobbies
+	// this needs to be called before RequestLobbyList() to take effect
+	// these are cleared on each call to RequestLobbyList()
+	virtual void AddRequestLobbyListFilter( const char *pchKeyToMatch, const char *pchValueToMatch ) = 0;
+	// numerical comparison
+	virtual void AddRequestLobbyListNumericalFilter( const char *pchKeyToMatch, int nValueToMatch, int nComparisonType ) = 0;
+	virtual void AddRequestLobbyListSlotsAvailableFilter() = 0;
+	// returns results closest to the specified value. Multiple near filters can be added, with early filters taking precedence
+	virtual void AddRequestLobbyListNearValueFilter( const char *pchKeyToMatch, int nValueToBeCloseTo ) = 0;
+
+	// returns the CSteamID of a lobby, as retrieved by a RequestLobbyList call
+	// should only be called after a LobbyMatchList_t callback is received
+	// iLobby is of the range [0, LobbyMatchList_t::m_nLobbiesMatching)
+	// the returned CSteamID::IsValid() will be false if iLobby is out of range
+	virtual CSteamID GetLobbyByIndex( int iLobby ) = 0;
+
+	// Create a lobby on the Steam servers.
+	// If private, then the lobby will not be returned by any RequestLobbyList() call; the CSteamID
+	// of the lobby will need to be communicated via game channels or via InviteUserToLobby()
+	// this is an asynchronous request
+	// results will be returned by LobbyCreated_t callback and call result; lobby is joined & ready to use at this pointer
+	// a LobbyEnter_t callback will also be received (since the local user is joining their own lobby)
+	virtual void CreateLobby_OLD( ELobbyType eLobbyType ) = 0;
+
+	// Joins an existing lobby
+	// this is an asynchronous request
+	// results will be returned by LobbyEnter_t callback & call result, check m_EChatRoomEnterResponse to see if was successful
+	// lobby metadata is available to use immediately on this call completing
+	virtual void JoinLobby_OLD( CSteamID steamIDLobby ) = 0;
+
+	// Leave a lobby; this will take effect immediately on the client side
+	// other users in the lobby will be notified by a LobbyChatUpdate_t callback
+	virtual void LeaveLobby( CSteamID steamIDLobby ) = 0;
+
+	// Invite another user to the lobby
+	// the target user will receive a LobbyInvite_t callback
+	// will return true if the invite is successfully sent, whether or not the target responds
+	// returns false if the local user is not connected to the Steam servers
+	virtual bool InviteUserToLobby( CSteamID steamIDLobby, CSteamID steamIDInvitee ) = 0;
+
+	// Lobby iteration, for viewing details of users in a lobby
+	// only accessible if the lobby user is a member of the specified lobby
+	// persona information for other lobby members (name, avatar, etc.) will be asynchronously received
+	// and accessible via ISteamFriends interface
+	
+	// returns the number of users in the specified lobby
+	virtual int GetNumLobbyMembers( CSteamID steamIDLobby ) = 0;
+	// returns the CSteamID of a user in the lobby
+	// iMember is of range [0,GetNumLobbyMembers())
+	virtual CSteamID GetLobbyMemberByIndex( CSteamID steamIDLobby, int iMember ) = 0;
+
+	// Get data associated with this lobby
+	// takes a simple key, and returns the string associated with it
+	// "" will be returned if no value is set, or if steamIDLobby is invalid
+	virtual const char *GetLobbyData( CSteamID steamIDLobby, const char *pchKey ) = 0;
+	// Sets a key/value pair in the lobby metadata
+	// each user in the lobby will be broadcast this new value, and any new users joining will receive any existing data
+	// this can be used to set lobby names, map, etc.
+	// to reset a key, just set it to ""
+	// other users in the lobby will receive notification of the lobby data change via a LobbyDataUpdate_t callback
+	virtual bool SetLobbyData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+
+	// As above, but gets per-user data for someone in this lobby
+	virtual const char *GetLobbyMemberData( CSteamID steamIDLobby, CSteamID steamIDUser, const char *pchKey ) = 0;
+	// Sets per-user metadata (for the local user implicitly)
+	virtual void SetLobbyMemberData( CSteamID steamIDLobby, const char *pchKey, const char *pchValue ) = 0;
+	
+	// Broadcasts a chat message to the all the users in the lobby
+	// users in the lobby (including the local user) will receive a LobbyChatMsg_t callback
+	// returns true if the message is successfully sent
+	// pvMsgBody can be binary or text data, up to 4k
+	// if pvMsgBody is text, cubMsgBody should be strlen( text ) + 1, to include the null terminator
+	virtual bool SendLobbyChatMsg( CSteamID steamIDLobby, const void *pvMsgBody, int cubMsgBody ) = 0;
+	// Get a chat message as specified in a LobbyChatMsg_t callback
+	// iChatID is the LobbyChatMsg_t::m_iChatID value in the callback
+	// *pSteamIDUser is filled in with the CSteamID of the member
+	// *pvData is filled in with the message itself
+	// return value is the number of bytes written into the buffer
+	virtual int GetLobbyChatEntry( CSteamID steamIDLobby, int iChatID, CSteamID *pSteamIDUser, void *pvData, int cubData, EChatEntryType *peChatEntryType ) = 0;
+
+	// Refreshes metadata for a lobby you're not necessarily in right now
+	// you never do this for lobbies you're a member of, only if your
+	// this will send down all the metadata associated with a lobby
+	// this is an asynchronous call
+	// returns false if the local user is not connected to the Steam servers
+	// restart are returned by a LobbyDataUpdate_t callback
+	virtual bool RequestLobbyData( CSteamID steamIDLobby ) = 0;
+	
+	// sets the game server associated with the lobby
+	// usually at this point, the users will join the specified game server
+	// either the IP/Port or the steamID of the game server has to be valid, depending on how you want the clients to be able to connect
+	virtual void SetLobbyGameServer( CSteamID steamIDLobby, uint32 unGameServerIP, uint16 unGameServerPort, CSteamID steamIDGameServer ) = 0;
+	// returns the details of a game server set in a lobby - returns false if there is no game server set, or that lobby doesn't exist
+	virtual bool GetLobbyGameServer( CSteamID steamIDLobby, uint32 *punGameServerIP, uint16 *punGameServerPort, CSteamID *psteamIDGameServer ) = 0;
+
+	// set the limit on the # of users who can join the lobby
+	virtual bool SetLobbyMemberLimit( CSteamID steamIDLobby, int cMaxMembers ) = 0;
+	// returns the current limit on the # of users who can join the lobby; returns 0 if no limit is defined
+	virtual int GetLobbyMemberLimit( CSteamID steamIDLobby ) = 0;
+
+	virtual bool RequestFriendsLobbies() = 0;
+
+	// updates which type of lobby it is
+	// only lobbies that are k_ELobbyTypePublic will be returned by RequestLobbyList() calls
+	virtual bool SetLobbyType( CSteamID steamIDLobby, ELobbyType eLobbyType ) = 0;
+
+	// returns the current lobby owner
+	// you must be a member of the lobby to access this
+	// there always one lobby owner - if the current owner leaves, another user will become the owner
+	// it is possible (bur rare) to join a lobby just as the owner is leaving, thus entering a lobby with self as the owner
+	virtual CSteamID GetLobbyOwner( CSteamID steamIDLobby ) = 0;
+
+	virtual float GetLobbyDistance( CSteamID steamIDLobby ) = 0;
+};
+
+#endif // ISTEAMMATCHMAKING005_H
diff --git a/sdk_includes/isteammatchmaking007.h b/sdk_includes/isteammatchmaking007.h
index f82ce25..6e45531 100644
--- a/sdk_includes/isteammatchmaking007.h
+++ b/sdk_includes/isteammatchmaking007.h
@@ -191,4 +191,118 @@ public:
 	virtual bool SetLobbyOwner( CSteamID steamIDLobby, CSteamID steamIDNewOwner ) = 0;
 };
 
+//-----------------------------------------------------------------------------
+// Callback interfaces for server list functions (see ISteamMatchmakingServers below)
+//
+// The idea here is that your game code implements objects that implement these
+// interfaces to receive callback notifications after calling asynchronous functions
+// inside the ISteamMatchmakingServers() interface below.
+//
+// This is different than normal Steam callback handling due to the potentially
+// large size of server lists.
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// Purpose: Callback interface for receiving responses after a server list refresh
+// or an individual server update.
+//
+// Since you get these callbacks after requesting full list refreshes you will
+// usually implement this interface inside an object like CServerBrowser.  If that
+// object is getting destructed you should use ISteamMatchMakingServers()->CancelQuery()
+// to cancel any in-progress queries so you don't get a callback into the destructed
+// object and crash.
+//-----------------------------------------------------------------------------
+class ISteamMatchmakingServerListResponse001
+{
+public:
+	// Server has responded ok with updated data
+	virtual void ServerResponded( int iServer ) = 0; 
+
+	// Server has failed to respond
+	virtual void ServerFailedToRespond( int iServer ) = 0; 
+
+	// A list refresh you had initiated is now 100% completed
+	virtual void RefreshComplete( EMatchMakingServerResponse response ) = 0; 
+};
+
+enum EMatchMakingType
+{
+	eInternetServer = 0,
+	eLANServer,
+	eFriendsServer,
+	eFavoritesServer,
+	eHistoryServer,
+	eSpectatorServer,
+	eInvalidServer 
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Functions for match making services for clients to get to game lists and details
+//-----------------------------------------------------------------------------
+class ISteamMatchmakingServers001
+{
+public:
+	// Request a new list of servers of a particular type.  These calls each correspond to one of the EMatchMakingType values.
+	virtual void RequestInternetServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse ) = 0;
+	virtual void RequestLANServerList( AppId_t iApp, ISteamMatchmakingServerListResponse001 *pRequestServersResponse ) = 0;
+	virtual void RequestFriendsServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse ) = 0;
+	virtual void RequestFavoritesServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse ) = 0;
+	virtual void RequestHistoryServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse ) = 0;
+	virtual void RequestSpectatorServerList( AppId_t iApp, MatchMakingKeyValuePair_t **ppchFilters, uint32 nFilters, ISteamMatchmakingServerListResponse001 *pRequestServersResponse ) = 0;
+
+	/* the filters that are available in the ppchFilters params are:
+
+		"map"		- map the server is running, as set in the dedicated server api
+		"dedicated" - reports bDedicated from the API
+		"secure"	- VAC-enabled
+		"full"		- not full
+		"empty"		- not empty
+		"noplayers" - is empty
+		"proxy"		- a relay server
+
+	*/
+
+	// Get details on a given server in the list, you can get the valid range of index
+	// values by calling GetServerCount().  You will also receive index values in 
+	// ISteamMatchmakingServerListResponse::ServerResponded() callbacks
+	virtual gameserveritem_t *GetServerDetails( EMatchMakingType eType, int iServer ) = 0; 
+
+	// Cancel an request which is operation on the given list type.  You should call this to cancel
+	// any in-progress requests before destructing a callback object that may have been passed 
+	// to one of the above list request calls.  Not doing so may result in a crash when a callback
+	// occurs on the destructed object.
+	virtual void CancelQuery( EMatchMakingType eType ) = 0; 
+
+	// Ping every server in your list again but don't update the list of servers
+	virtual void RefreshQuery( EMatchMakingType eType ) = 0; 
+
+	// Returns true if the list is currently refreshing its server list
+	virtual bool IsRefreshing( EMatchMakingType eType ) = 0; 
+
+	// How many servers in the given list, GetServerDetails above takes 0... GetServerCount() - 1
+	virtual int GetServerCount( EMatchMakingType eType ) = 0; 
+
+	// Refresh a single server inside of a query (rather than all the servers )
+	virtual void RefreshServer( EMatchMakingType eType, int iServer ) = 0; 
+
+
+	//-----------------------------------------------------------------------------
+	// Queries to individual servers directly via IP/Port
+	//-----------------------------------------------------------------------------
+
+	// Request updated ping time and other details from a single server
+	virtual HServerQuery PingServer( uint32 unIP, uint16 usPort, ISteamMatchmakingPingResponse *pRequestServersResponse ) = 0; 
+
+	// Request the list of players currently playing on a server
+	virtual HServerQuery PlayerDetails( uint32 unIP, uint16 usPort, ISteamMatchmakingPlayersResponse *pRequestServersResponse ) = 0;
+
+	// Request the list of rules that the server is running (See ISteamMasterServerUpdater->SetKeyValue() to set the rules server side)
+	virtual HServerQuery ServerRules( uint32 unIP, uint16 usPort, ISteamMatchmakingRulesResponse *pRequestServersResponse ) = 0; 
+
+	// Cancel an outstanding Ping/Players/Rules query from above.  You should call this to cancel
+	// any in-progress requests before destructing a callback object that may have been passed 
+	// to one of the above calls to avoid crashing when callbacks occur.
+	virtual void CancelServerQuery( HServerQuery hServerQuery ) = 0; 
+};
+
 #endif // ISTEAMMATCHMAKING007_H
diff --git a/sdk_includes/steam_api.h b/sdk_includes/steam_api.h
index fa454b6..c011200 100644
--- a/sdk_includes/steam_api.h
+++ b/sdk_includes/steam_api.h
@@ -49,6 +49,7 @@
 #include "isteamuser019.h"
 #include "isteamuser020.h"
 #include "isteamfriends.h"
+#include "isteamfriends003.h"
 #include "isteamfriends004.h"
 #include "isteamfriends005.h"
 #include "isteamfriends006.h"
@@ -72,6 +73,10 @@
 #include "isteamutils008.h"
 #include "isteamutils009.h"
 #include "isteammatchmaking.h"
+#include "isteammatchmaking002.h"
+#include "isteammatchmaking003.h"
+#include "isteammatchmaking004.h"
+#include "isteammatchmaking005.h"
 #include "isteammatchmaking006.h"
 #include "isteammatchmaking007.h"
 #include "isteammatchmaking008.h"
diff --git a/sdk_includes/steam_gameserver.h b/sdk_includes/steam_gameserver.h
index 5ebf263..108b25a 100644
--- a/sdk_includes/steam_gameserver.h
+++ b/sdk_includes/steam_gameserver.h
@@ -19,6 +19,7 @@
 #include "isteamgameserver009.h"
 #include "isteamgameserver008.h"
 #include "isteamgameserver005.h"
+#include "isteamgameserver004.h"
 #include "isteamgameserverstats.h"
 
 enum EServerMode