Descripción: Take to the sky in an epic battle on the Northern Lights. Update your turrets and arm yourself with 20 different weapons and abilities. Might seem easy as first, but learn the tactics and get on-board to sweep 20 levels. Use controls: Mouse to Aim, Shoot, and Select; Space to fire; 1,2,3,4,5 to switch weapons; Q, W, E to choose specific bunkers; Arrow keys to aim/switch bunkers; M to mute