Kill a Stank before it kills anything on Hard difficulty.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.
Regenerate 500 life on a single Roach without taking friendly fire in an Unranked or Ranked game.
Morph 20 Zerglings during the first 255 seconds of a single Melee game.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.