Kill 50 supply worth of units within 15 seconds 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 Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.
Destroy 40 units with a single unit in an Unranked or Ranked game.
Score the rank of Gold in all the challenge missions.