Kill 50 supply worth of units within 15 seconds in a Melee game.
Win 25 Team Unranked or Ranked games as Zerg.
Destroy 40 units with a single unit in an Unranked or Ranked 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.