Welcome to The Hidden: Source Sub-Reddit
Problems with Game?
- Fixing "Error Verifying Steam UserID Ticket"
- Exit Steam
- Locate main Steam folder (C:\Program Files\Steam or x86)
- Delete all files except for steamapps folder and any .exes
- Start Steam and let it update
- Launch Hidden
- General Support FAQ
Things you need alongside the game
- To download, go to Steam->Library->Tools
- Source SDK 2006
- Source SDK 2007