Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Destroy 4 Command Centers, Hatcheries, or Nexuses in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.