Win a 2v2 Unranked or Ranked game playing all race possibilities.
Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Kill 50 units with a single Penetrator Round in the “Belly of the Beast” mission on Hard difficulty.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.