Destroy 20 units with a single High Templar in a Melee game.
While playing as Zerg, warp in a Zealot in a Melee game.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Destroy all Dominion structures in the “Planetfall” mission before the 5th Bile Launcher lands on Hard difficulty.
Destroy all Protoss structures in the “Phantoms of the Void” mission on Hard difficulty.