Score the rank of Gold in the “For the Swarm” challenge mission.
Score the rank of Gold in the “Infestation” challenge mission.
Win 3 solo evenly matched Custom Games as Zerg against any A.I. opponents.
Win 10 Team Unranked or Ranked games as Zerg.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.