Wings of Bluestar

Protect space against the last wave of an enemy that used to be mankind's ally: a mysterious intelligent artificial life form. Take control of enhanced trainee pilot Aya, or the mysterious veteran pilot Zarak and fight your way through waves of enemies in order to save mankind and to learn more about yourself and also about your enemy.

Wings Of Bluestar is a 2D horizontal shmup (shoot'em up) that offers singe and local multiplayer. It's sci-fi themed and has an anime art style.
The game offers a lot of features to unlock using ingame earned points, these features are like more credits, boss challenge, gallery etc.