Capture 50 enemy units in a single Vortex in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Expand during the first 225 seconds of a Melee game.
Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.