Armored Core 4 reinvigorates next-generation platforms with the classic action that defined mech games This 10th anniversary edition of the hit games has an all-new storyline new environments and online capability. Engage Primal Armor the all-new defense shield that adjusts its strength according to specifi c battle conditions Multiplayer functionality - Up to eight players to battle online Join one of six factions specializing in different aspects of battle 30 missions played out in detailed futuristic 3D environments Fly through canyons and rip through cities battling multiple enemies Deploy Quick Boost and Over Boost features for precise explosive movement and precision control of AC units