Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” 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.
Complete 25 missions in the Wings of Liberty campaign on Hard difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.