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.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.