Hell's Katz Squad

An old-school Quake 3 mod (the mod that CSS was based on), now stand-alone and it's pretty bad ass. Basically Quake + Counter-Strike. Very fun, got a few people from the ETQW team playing with me, and so far it's been a blast.

http://www.urbanterror.net

Check it out, and check in here if you install it and want to play!