Win a 1 vs 2 Multiplayer Custom Game with no Allies against 2 Elite A.I. opponents.
Score the rank of Gold in the “For the Swarm” challenge mission.
Score the rank of Gold in the “Infestation” challenge mission.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Win a 1v1 Multiplayer Custom Game against an Elite A.I. opponent in under 5 minutes.