Do not read game.cfg under Xash3D.

dlls/gamerules.cpp

@@ -28,6 +28,8 @@
 
 extern edict_t *EntSelectSpawnPoint( CBaseEntity *pPlayer );
 
+extern BOOL gPhysicsInterfaceInitialized;
+
 //++ BulliT
 DLL_GLOBAL AgGameRules *g_pGameRules = NULL;
 //-- Martin Webrant
@@ -312,9 +314,12 @@ void CGameRules::RefreshSkillData ( void )
 //++ BulliT
 AgGameRules *InstallGameRules( void )
 //-- Martin Webrant
+{
+	if( !gPhysicsInterfaceInitialized )
 	{
 		SERVER_COMMAND( "exec game.cfg\n" );
 		SERVER_EXECUTE();
+	}
 
 //++ BulliT
 	char *servercfgfile = (char *)CVAR_GET_STRING( "servercfgfile" );