Left 4 Dead 2 Authoring Tools
| App ID | 563 |
| App Type | Tool |
| Technologies | Source Engine |
| Last Changenumber | 37072882 |
| Last Record Update | 6 July 2026 – 17:31:23 UTC ( |
Additional Information
| Developer | Valve | |
| gamedir | valve | |
| icon | empty string | |
| NoServers | Yes | |
| primarycache | 563 | |
| state | eStateTool | |
| DisableOverlay | Yes | |
| Detected Technologies | Source Engine, Bink_Video SDK, CEF SDK, Miles_Sound_System SDK, Qt SDK | |
| First seen on SteamDB | 14 February 2013 – 08:20:25 UTC ( |
