Mutate a Lair during the first 285 seconds of a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Create 100 Larvae with Queens in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Score the rank of Gold in the “Rush Defense” challenge mission.