Destroy 40 units with a single unit in an Unranked or Ranked game.
Score the rank of Gold in all the challenge missions.
While playing as Zerg, warp in a Zealot in a Melee game.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Win 5 1v1 Unranked or Ranked games in a row.