Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Score 500,000 points on the Lost Viking arcade machine.
Score the rank of Gold in all the challenge missions.
Train 10 Marines during the first 320 seconds of a single Melee game.
Destroy 10 cloaked or burrowed units in a single Melee game.