Destroy 4 Zerg Hatcheries in the “Zero Hour” mission on Hard difficulty.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Complete “The Evacuation” mission on Hard difficulty without losing or salvaging a structure.
Complete “The Outlaws” mission on Hard difficulty in less than 10 minutes.
Complete all mission objectives in “The Gates of Hell” mission.