Battle.net

Kill 50 supply worth of units within 15 seconds in a Melee game.

Finish a Qualification Round with an undefeated record.

Win a Free-For-All Multiplayer Custom Game against 7 Insane A.I. opponents.

Destroy 4 Command Centers, Hatcheries, or Nexuses in a single League game.

Warp in 5 Zealots during the first 250 seconds of a single Melee game.