Score 500,000 points on the Lost Viking arcade machine.
Win a 1v1 game of ’StarJeweled’ against an Elite A.I. opponent.
Complete all the Outmatched achievements.
Survive 15 Infested Horde Attacks in the “Night 2 Die" mode of the “Left 2 Die” scenario.
Complete all the Unranked / Ranked Combat achievements.