Return To Hell mod for Doom III

Doom III: Return To Hell is a singleplayer/multiplayer modification that takes place three years after the disaster at the UAC base on Mars. The Story: After the disaster at the UAC base on Mars, the lone marine that survived was brought back to earth. When he told people about what really happened, nobody believed him. They sent him to an asylum, and three years later, that's where he was. Locked up in a cell. Then, one night, a distant explosion woke him up. He looked around, and most of the lights were out. A dead guard lay next to him. A pistol and a flashlight were still clutched in his cold, dead hands. The marine took them, then noticed that the bars to the cell were broken. He stepped out of the cell, and started walking until he came to a room that another dead guard lay in. A shotgun and some shells lay next to the corpse. The marine slowly walked up to the corpse, and took the shotgun and ammo. Then he saw a flash of light, heard satanic muttering, and then They appeared....