Nexuiz is a free first-person shooter video game developed and published by Alientrap. It was released on May 31, 2005, under the GNU General Public License and uses the DarkPlaces engine, a modified

id Tech 2, originally known as the Quake II engine, is a game engine developed by id Software for use in their 1997 first-person shooter Quake II. Like its predecessor, the Quake engine, the Quake II