Score the rank of Gold in the “Infestation” challenge mission.
Complete 5 missions in the Wings of Liberty campaign on Hard difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.