Made by Raven Software, id Software, Activision, Aspyr Media, Bethesda Softworks

Released on 18 October 2005

Age Rating: 18

Sensitive Content: Blood and Gore, Strong Language, Blood, Intense Violence, Crude Humor, Sexual Themes

Genres: Shooter

Themes: Action, Science fiction, Horror

Mode: Single player, Multiplayer

Perspective: First person