Score the rank of Gold in the “Psionic Assault” challenge mission.
Win a 1v1 Multiplayer Custom Game against an Elite A.I. opponent in under 5 minutes.
Score the rank of Gold in all the challenge missions.
Win a Free-For-All Multiplayer Custom Game against 7 Elite A.I. opponents.
Score the rank of Gold in the “Infestation” challenge mission.