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.
Score the rank of Gold in all the challenge missions.
Destroy a fully loaded transport in an Unranked or Ranked game.
Win 5 1v1 Unranked or Ranked games in a row.