Doom 3: Resurrection of Evil is a survival horror first-person shooter video game developed by Nerve Software and published by Activision. It was released for Microsoft Windows worldwide on April 4 2005 as an expansion pack and sequel to Doom 3 and on October 5 2005 for the Xbox video game console. The Xbox version does not require the original Doom 3 in order to play and includes The Ultimate Doom Doom II: Hell on Earth and Master Levels for Doom II. The video game features eight multiplayer game modes. Resurrection of Evil features twelve new single-player levels six new enemies including the hunter four new multiplayer maps as well as new weapons such as the double-barreled shotgun originating from Doom II.