Release info
Developer | Valve |
Publisher | Valve |
Released | 25 September 2013 1 June 2004 |
Website |
Steam product page |
Developer | Valve |
Publisher | Valve |
Released | 25 September 2013 1 June 2004 |
Website |
Steam product page |
Action Shooter |
Compatibility |
Linux |
Historical period |
Contemporary history |
Perspective |
First-person |
Presentation |
3D |
Setting genre |
Science fiction |
Supernatural beings |
Zombies |
Type of events |
Fictitious events |
World |
Fictitious world Real world |