Kill 50 supply worth of units within 15 seconds in a Melee game.
Score the rank of Gold in the “Tactical Command” challenge mission.
Win a 4v4 Multiplayer Custom Game with Elite A.I. allies against the following race combinations using Elite A.I. opponents.
Win 10 evenly matched Custom Games against Elite A.I. opponents.
Deplete 10 Rich Mineral Fields in a single Melee game.