Doom 3

Doom 3 is a science fiction, survival horror, first-person shooter video game. Developed and published by id Software, it was released on August 3, 2004. Doom 3, despite its name, is not a direct continuation of the original Doom series storyline, but rather a re-imagining of the first game in the series with a completely new game engine and improved graphics. Doom 3 is set in the year 2145 in a fictional Union Aerospace Corporation (UAC) research center on Mars. In the game, the player takes control of a UAC security replacement marine as he fights to survive a mysterious invasion of inter-dimensional demons. In the process, the marine learns more about the nature of the shadowy research being conducted within the massive base, as well as information on its main instigator, Dr. Malcolm Betruger. Doom 3 was developed for Windows and ported to Linux in 2004. Seven months later, it was also released for Mac OS X (ported by Aspyr) and Xbox (co-developed by Vicarious Visions). The Xbox... full article at wikipedia