A massive demonic invasion has overwhelmed the Union Aerospace Corporation\'s (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters. The path is dark and dangerous, but you\'ll have an array of weapons--including a pistol, a chainsaw, grenades, and more--to use for protection.Minimum RequirementsGraphic: 64 MBRecommended RequirementsOther: 8XGenres: Shooter Age Ratings: BBFC: +18ESRB: BLOOD AND GORE, INTENSE VIOLENCE, MATUREPEGI: +18, Bad Language, Online, ViolenceUSK: 18Publisher: Bethesda SoftworksDeveloper: ID SoftwareInstructions: In order to activate this game, you will require a third-party \'Steam\' account. For full details on how to activate please follow this link: https://support.steampowered.com/kb_article.php?ref=5414-TFBN-1352