ioquake3

ioquake3 is the perfect platform from which game authors can base their quake3-related projects. A few have already taken the plunge.

Open Arena

Open Arena is an All-GPL (including assets) game similar to base Quake 3.

Star Trek Voyager: Elite Force

This is Thilo’s reverse-engineered multiplayer only version of Star Trek Voyager Elite Force.

Tremulous

Aliens fight Humans in this FPS/RTS hybrid.

Urban Terror

Urban Terror can be described as a Hollywood tactical shooter; somewhat realism based, but the motto is “fun over realism”. This results in a very unique, enjoyable and addictive game

World of Padman

World of Padman is a colorful game with a comic-book style. It comes with 9 new weapons, several new
game types and is ideal for a quick game.