Corewars is a game of warrior vs warrior, programmed by two opponents, and placed into a virtual 'ring' to fight to the death. KOTH.org provides the arena, so everyone in the world will know just whose warrior is King Of The Hill!
The irc.koth.org:6669 IRC server has been steadily active. You can always find several people idling and chatting in #corewars at any given time. Load up mIRC or your favorite client and join us! #corewars now has a log archive, just in case you miss anything!