Kill 50 supply worth of units within 15 seconds in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Complete any 25 rounds in “StarCraft Master".
Destroy 10 cloaked or burrowed units in a single Melee game.
Destroy 40 units with a single unit in an Unranked or Ranked game.