While playing as Zerg, warp in a Zealot in a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Deplete 10 Rich Mineral Fields in a single Melee game.
Score the rank of Gold in the “Infestation” challenge mission.
Win 100 1v1 Unranked or Ranked games as Zerg.