The idea of the game Space Shooter Cannon is to defend our worlds from alien attacks that coming from another Galaxy.
The game contains unlimited levels every five levels there is a monster from the space sent to you to stop your from defending out planet.
There is many cannon designs with many features for every one. Also there is a plenty of backgrounds that can be used.
Use the Power Bag to access some extra weapons while playing. Just double touch the screen, you will activate the selected item in the battle.
while playing the is many gifts will sent to you to help you complete levels like rockets, power bullets, freeze enemies, power shield to protect you, and more.