The 3D Gaming Scene
http://www.pol.umu.se/html/ac/mainpage.htm
Describes in detail every 3D action game available, beginning with the original�Wolfenstein 3D. Download working demos and shareware versions from this page, or just read a helpful description of each game. Includes a screen shot from each game, the type of 3D engine used in the game, and provides cheat FAQs and walk-throughs.