As promised, Activision has released a playable demo (local mirror ~ 472MB) for DOOM 3 (review), allowing you to try out this recent horror/sci-fi first-person shooter by id Software. This masive demo includes the intro movie and three levels: Demo_mars_city1, Demo_mars_city2 and Demo_Mc_underground. The 472MB can also be found on 3DGamers, FileRush, GameSpotDLX, GH, Ferrago, CGO.ro, FileShack, GameStar.hu, 3D Downloads, FileHolic.
Please Use the 3dGamers World-->BitTorrent Link, at keep seediing.
Well for those of us who dont have a Full copy atleast.