RED vs. BLUE, but be warned: no respawning!
Clanwarz, _registered, alltalk, arena, beans, experimental, misc, noquickplay, singapore, starblaster64, vsh
Random server mode
This will pick any community gamemode (hence not official gamemode's), and choose a random server from that list with at least 5 players in it. This is the best way to get in touch with the funkiest maps/gamemodes/people!