Locate all the Moebius survivors in “The Moebius Factor” mission on Normal difficulty.
Complete the “Whispers of Doom” mission on Hard difficulty without Zeratul suffering life damage.
Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Score the rank of Gold in the “Rush Defense” challenge mission.
Score the rank of Silver in the “Rush Defense” challenge mission.