Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Score the rank of Bronze in the “For the Swarm” challenge mission.
Deplete 10 Rich Mineral Fields in a single Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Win 3 Team Unranked or Ranked games in a row.