Battle.net

Kill 50 supply worth of units within 15 seconds in a Melee game.

Score the rank of Gold in the “Path of Ascension” challenge mission.

Win a 1 vs 3 Multiplayer Custom Game with no Allies against 3 Very Easy A.I. opponents.

Score the rank of Gold in the “Rush Defense” challenge mission.

Score the rank of Gold in the “Opening Gambit” challenge mission.