Battle.net

Complete 25 missions in the Wings of Liberty campaign on Brutal difficulty.

Win 5 Team league Quick Match games in a row.

Complete all the Outmatched achievements.

Win a 1 vs 4 Multiplayer Custom Game with no Allies against 4 Very Hard A.I. opponents.

Win 15 2v2 Cooperative games in a row against Very Hard A.I. opponents.