Win 500 1v1 Unranked or Ranked games as Zerg.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Score the rank of Gold in the “For the Swarm” challenge mission.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.