Complete the Wings of Liberty campaign under 8 hours of total played mission time on Normal difficulty.
Kill 100 units with Kerrigan in a single mission on Hard difficulty.
Complete the “Smash and Grab” mission on Normal difficulty without losing a unit to a Protoss Stone Guardian.
Complete the “Belly of the Beast” mission without letting a hero fall Incapacitated on Normal difficulty.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.