Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.
Use the A.R.E.S. to kill the Brutalisk in the “Piercing the Shroud” mission on Normal difficulty.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.
Purchase StarCraft II Wings of Liberty Collector’s Edition.
