Complete 15 missions in the Wings of Liberty campaign on Brutal difficulty.
Destroy all Protoss structures in the “Welcome to the Jungle” mission on Normal difficulty.
Kill 15 enemy units with a single Nuke in an Unranked or Ranked game.
Complete round 8 in “StarCraft Master” without losing any Stalkers.
Score the rank of Gold in the “Psionic Assault” challenge mission.