DOOM 3: Resurrection of Evil picks up two years following the events of the original DOOM 3 in a once forgotten and remote UAC research facility on Mars - the site of the first battle with Dr. Bertrugar and his acolytes from Hell. Investigating the ruins, players uncover an ancient artifact that holds unspeakable power. However, this artifact belongs to Hell, and Bertrugar and his demons will stop at nothing to take it back home.   For multiplayer fans, DOOM 3: Resurrection of Evil also features more online action with new multiplayer maps for up to four players in the following game types: Deathmatch, Team Deathmatch, Last Man Standing and Tournament mode via System Link or Xbox Live.   <span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: Verdana; mso-bidi-font-family: " times="" new="" roman';="" mso-fareast-font-family:="" 'times="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" mso-bidi-language:="" ar-sa'="">As an added bonus, DOOM 3: Resurrection of Evil for Xbox also includes complete versions of DOOM II and Master Levels for DOOM II specifically optimized for the Xbox. These classics include their original single player campaigns as well as 2-4 player Co-Op or Deathmatch via split-screen on one Xbox or on multiple systems via System Link 12312233