"GameInfo" { // This is what shows up in the 'Third Party Games' area of the Steam games list. game "NcSource-Devel" title "Neocron:Source" // Main Menu large Text title2 "based on sdk template technology" // Main Menu small text type multiplayer_only // type singleplayer_only hidden_maps { // Hide maps from the start server dialog "test_speakers" 1 "test_hardware" 1 } FileSystem { SteamAppId 218 // GCF for Source SDK Base 2007 ToolsAppId 211 // Tools will load this (ie: source SDK caches) to get things like materials\debug, materials\editor, etc. //Orange box sdk allows an extra appid to be defined here to mount additional content. 240 is CounterStrike: Source //AdditionalContentId 240 SearchPaths { Game |gameinfo_path|. Game |all_source_engine_paths|sourcetest //For the example above; if including 240, mount the cstrike folder. //Game |all_source_engine_paths|cstrike Game |all_source_engine_paths|hl2 } } }