Kill 50 supply worth of units within 15 seconds in a Melee game.
Complete the “Outbreak” mission on Normal difficulty before the 5th night.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Destroy 10 cloaked or burrowed units in a single Melee game.
Kill 20 enemy units with the Laser Drill in “The Dig” mission on Normal difficulty.