Quetoo is a Quake2-compatible game engine for GNU/Linux. It's focus is simplicity, security, stability, and speed. It contains critical security updates for both clients and servers, ALSA sound support, an improved console, and some major speed increases. Quetoo is up to 48% faster than stock Quake2.

If you're looking for visual effect updates and gimmick features, run something else..

The current stable release is 0.3.3. It may be downloaded here. The project homepage is here. And the README can be found here.

Nightly svn snapshots are available here.