Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Morph 20 Zerglings during the first 255 seconds of a single Melee game.
While playing as Zerg, warp in a Zealot in a Melee game.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.