Destroy 40 units with a single unit in an Unranked or Ranked game.
Win 5 1v1 Unranked or Ranked games in a row.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Complete the Wings of Liberty campaign.