Battle.net

Destroy 40 units with a single unit in an Unranked or Ranked game.

Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.

Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.

Win 5 1v1 Unranked or Ranked games in a row.

Kill 50 supply worth of units within 15 seconds in a Melee game.