Win a 2v2 Versus A.I. game as all race possibilities against Harder opponents.
Score the rank of Gold in the “Tactical Command” challenge mission.
Win a 2v2 Versus A.I. game as all race possibilities against Elite opponents.
Win a 4v4 Multiplayer Custom Game with Harder A.I. allies against the following race combinations using Harder A.I. opponents.
Kill 20 enemy units with the Laser Drill in “The Dig” mission on Normal difficulty.