The Air Force in the middle of a fierce battle against aliens. The extra-terrestrials have invaded our planet and started to destroy everything. You must purge them from the planet. The Air Force is preparing to clean up our planet and protect it from harm; to do this, they need your help. But watch out: Their boss, will not let you achieve your goal.

Instructions

Choose between two characters with specific weapons.
Use the keyboard's arrows or the on-screen buttons to move your ship. It will auto fire, but you can hold your fire to charge your weapon and use a super attack using on-screen buttons