Complete all the Outmatched achievements.
Win a 1 vs 4 Multiplayer Custom Game with no Allies against 4 Harder A.I. opponents.
Win a 1v1 Multiplayer Custom Game against an Elite A.I. opponent in under 5 minutes.
Win 5 Team Unranked or Ranked games in a row.
Win a 2v2 Unranked or Ranked game playing all race possibilities.