Nanoscape

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

NanoScape is a first person, action, space shooter inspired by Galaga and other classic wave based arcade games.

Features:

Fast paced, punishing, wave based combat
A variety of weapons and power ups. From the 'Nano Blaster' a precise and fast firing laser weapon, to the slow but hard hitting 'Double Penetrator' Or you can fire off a 'Sentinel' space craft that defends you and returns fire at your enemies!
Leaderboards - Crush the enemy and your friends' scores!
An original soundtrack featuring brutal electro-dubstep