Destroy 15 Infested structures at nighttime in the “Outbreak” mission on Hard difficulty.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Complete the “Ghost of a Chance” mission using Dominated units to kill at least 15 enemy troops on Normal difficulty.
Kill 20 enemy units with the Laser Drill in “The Dig” mission on Normal difficulty.
Save 2 Colonist Outposts in the “Safe Haven” mission on Hard difficulty.