Overrun and OverKill enemies with the Legendary Roar of Thunder! The series that changed the history of arcade shoot’em ups is back with the crazed action of Overkill mode! OverKill Mode – a brand-new mode with new mission stages and a revamped scoring system! Master a variety of new weapons as swarms of enemy fighters try and put you down. Everything from fan favorites, such as the Spread Shot and Vulcan Laser, will be available, as well as new weapons and items! Instill fear in your enemies with devastating attacks and earn the acclaimed title of Master Ace!