Lost Nuke 2

Description
The Nuke is lost again, this time is harder than the last, you must continue to shoot the invaders, working your way to the end of each level where you will eventually find your self face to face with a boss, your gun will reload automatically when you stop shooting, you can collect medi-packs on the way, lets see what youve got, lets see if you have what it takes to conquer this world.

Instructions
Instructions are in the game.