Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Win 10 evenly matched Custom Games as Protoss against Very Easy A.I. opponents.
Complete all the Economy achievements.
Deplete 10 Rich Mineral Fields in a single Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.