This is a mod which transforms Doom 3 by adding the original weapon set and creatures from Quake.
You can download it or find out more at the mod team website.
Anyone into co-operative play should definitely check it out. They have left the artwork unaltered and simply offered a new game-play option but there are also tweaks to the maps and the Killfest mode is a lot of fun. The basic aim is to survive wave after wave of monsters, and the hook is the idea that you can play co-operatively with buddies online. This is one of the most popular mods released for Doom 3 and provides a single player and multiplayer modification for the game. They are free to download, and while some work as standalone installations, the majority overwrite the existing game files. Mods are a great way to squeeze extra play time and value out of a game. As you may expect the vast majority of the mods available for Doom 3 are horror themed. Modifications of Doom 3 range from simple tweaks to the existing game-play to fully realised alternative games complete with their own artwork. It should come as no surprise then that the modding scene were quick to get to work with the engine and produce a series of spin off games. The engine brought dramatic graphical improvement to the series and features like dynamic lighting, highly detailed models, textures with depth and a range of visual effects allowed the developers to bring stunning environments, creatures and characters to life.
