Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Build a Factory during the first 270 seconds of a Melee game.
Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.