Nexuiz GPL is a fun and free GPL deathmatch shooter released in 2005. It is a free game: source code is free software and data is free content.
This is free download version 2.2.2.
Nexuiz is a 3D deathmatch game that is simply first person shooting reduced to the very basics with perfect weapon balancing. With its very intense and fast gameplay, it will hook the user in.