Let teamwork.tf decide what gameserver you want to play on.
alltalk, blackwonder, high, hightower, payload, plr_, plr_hightower, tower
academy, alltalk, bots, cp, fastdl, increased_maxplayers, jump, jumpacademy, jumpbot, nocrits, respawntimes, rocket, syncr
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!