Complete “The Moebius Factor” mission before Kerrigan destroys 6 Abandoned Structures on Hard difficulty.
Complete the “Whispers of Doom” mission on Normal difficulty with 3 or more Stalkers.
Complete the “Smash and Grab” mission on Hard difficulty in less than 15 minutes.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Prevent the Protoss from killing an SCV in the “Welcome to the Jungle” mission on Normal difficulty.