Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Win 3 1v1 Unranked or Ranked games in a row.
Complete 5 missions in the Wings of Liberty campaign on Hard difficulty.