Score the rank of Gold in the “Covert Ops” challenge mission.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.