Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Win a 1 vs 2 Multiplayer Custom Game with no Allies against 2 Elite A.I. opponents.
Win 5 1v1 Unranked or Ranked games in a row.
Complete all the Outmatched achievements.
Complete all 29 Wings of Liberty campaign missions on Brutal difficulty.