Destroy 40 units with a single unit in an Unranked or Ranked game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Win a 1v1 Multiplayer Custom Game against a Harder A.I. opponent in under 5 minutes.
Complete all 29 Wings of Liberty campaign missions on Hard difficulty.
Complete 15 missions in the Wings of Liberty campaign on Brutal difficulty.