Challenging New Bosses and Stages - With new stages and never before seen bosses, experience the fast, blistering game play action that never gets old!

Items, Weapons, and More – Unlock and master a variety of weapons, including fan favorites such as the Spread Shot and Laser, and never before seen weapons and items!

Online Features – New replay feature lets you record and share your best scores with others, while the global leader-board will track the best Aces in the world, leading to bragging rights and the title of Master Ace!

Best Graphics to Date - The series has transitioned from its 2D roots to 3D, creating lush environments, devastating explosions and countless enemies, without a drop in frame-rate.