Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.
Win a 1 vs 4 Multiplayer Custom Game with no Allies against 4 Harder A.I. opponents.
Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.
Complete all the Outmatched achievements.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.