Score the rank of Gold in the “Rush Defense” challenge mission.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
While playing as Zerg, warp in a Zealot in a Melee game.
Win 5 1v1 Unranked or Ranked games in a row.