Ikaruga - Waves of enemies through classic shoot em up gameplay is now on Steam

Game Type : Arcade, Vertical Shoot Em Up
Developer : Treasure Video Games
Game Info Quote : Ikaruga is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!
Release : Now on Steam £6.99
Systems : PC

Steam Page