Completely Free, GPL FPS game based on the Q3A engine and gamecode. OpenArena has fully working bots, net play, and a vast selection of maps and player models.
Uses protocol 71
Single player campaign re-organized (Thanks cosmo)
'Depreciated' client for Windows 9X in addition (lacks ipv6 support)
New map: ps37ctf
New map: ctf_gate1
New map: am_galevish
Space Marine should no longer crash on old client
Chaingun works in unlagged now
non-Free texture folders from previous release removed (this also removes the schism and q3dm6ish-v2 map)
Universal Binary (PPC/Intel)
Mac OS X 10.3.9 or better, 10.4 or 10.5 recommended.