Battle.net

Destroy 6 units with a single Seeker Missile in an Unranked or Ranked game.

Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.

Destroy 30 units with Infested Terrans in an Unranked or Ranked game.

Destroy 10 cloaked or burrowed units in a single Melee game.

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