Score the rank of Gold in the “Tactical Command” challenge mission.
Score the rank of Gold in the “For the Swarm” challenge mission.
Complete the “Ghost of a Chance” mission using Dominated units to kill at least 15 enemy troops on Normal difficulty.
Complete all mission objectives in the “Whispers of Doom” mission.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.