Complete the “Maw of the Void” mission without losing a unit inside the Rip-Field on Hard difficulty.
Don’t let the Odin drop below 30% of its total life in the “Engine of Destruction” mission on Hard difficulty.
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 “Shatter the Sky” mission on Hard difficulty in less than 25 minutes.