When it comes to deathmatch-oriented open source FPS games based on the multitudinous engine offspring of Quake (1-2-III), a plethora of choice exists: Warsow, Alien Arena, World of Padman and Trepidation to name but a few. Out of these, the highly-enhanced, DarkPlaces–based Nexuiz has always been a favourite of mine.

This particular open source, GPL-licensed shooter …