Battle.net

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

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

Capture 50 enemy units in a single Vortex in a Melee game.

Destroy a fully loaded transport in an Unranked or Ranked game.

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