Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Build a Factory during the first 270 seconds of a Melee game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.