Complete the Wings of Liberty campaign.
Morph 20 Zerglings during the first 255 seconds of a single Melee game.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Win 50 1v1 Unranked or Ranked games as Zerg.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.