Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Create 100 Larvae with Queens in an Unranked or Ranked game.
Morph 20 Zerglings during the first 255 seconds of a single Melee game.
Mutate a Lair during the first 285 seconds of a Melee game.
Kill 50 supply worth of units within 15 seconds in a Melee game.