Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Don’t let the Odin drop below 30% of its total life in the “Engine of Destruction” mission on Hard difficulty.
Complete all the Rebellion mission achievements.
Complete all mission objectives in “The Great Train Robbery” mission.
Kill the Brutalisk with lava in "The Devil’s Playground” mission on Normal difficulty.