Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Win a 3v3 Versus A.I. game as all race possibilities against Elite opponents.
Score the rank of Gold in all the challenge missions.
Destroy 6 units with a single Seeker Missile in an Unranked or Ranked game.