The gripping expansion pack for DOOM 3 takes your even further into the the DOOM universe. Two years following the unexplained disaster on Mars, the UAC returns to the abandoned facility to investigate a mysterious beacon buried deep in the ruins of the ancient civilization.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