Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Destroy 50 Protoss structures in “The Dig” mission on Hard difficulty.
Complete the “Maw of the Void” mission without losing a unit inside the Rip-Field on Hard difficulty.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.