Nexuiz is a 3D deathmatch shooter that is heavily inspired by Quake. This is due to the fact that the developers have resorted on the Quake I engine. Nexuiz is based on the same engine but was graphically revised and extended by a multiplayer mode.
Nexuiz is waiting with a large number of weapons and additional maps, which can be downloaded as an extension.
Nexuiz is available in addition to Mac OS X and Linux and Windows.