World of Padman 
Updated 5 days ago
Released Apr 1, 2007
Multiplayer
First Person Shooter
From the earliest PadMaps came the mod PadWorld, and now from that distinguished provenance comes the next evolution, the World of Padman Standalone....





is it open source?
I love this engine, its the best to play online.
Best feeling
Good engine
Cool seminar from celestial impact game programmer who talks about the workings of Q3 engine. It took place at Swedish Game Awards : Fz.se