Battle.net

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

Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.

Destroy 20 units with Yamato blasts in an Unranked or Ranked game.

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

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