Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Win 100 1v1 Unranked or Ranked games as Terran.
Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.