Let teamwork.tf decide what gameserver you want to play on.
Duels, HLstatsX:CE, alltalk, cp, cp_, cp_orange_x3, fast, nocrits, noquickplay, respawntimes
skial, stats, free_items, free_unusuals, alltalk, bots, payload
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!