Morph 20 Zerglings during the first 255 seconds of a single Melee game.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Win 1000 1v1 Unranked or Ranked games as Zerg.
Kill a Stank before it kills anything on Hard difficulty.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.