Instructions: Take control of a huge space vessel, buy upgrades to resist enemy attack. Mouse to aim and fire the main gun, [A] and [D] or arrow keys to scroll the viewSpacebar to access the build&upgrades screen, [C] to center the view, [H] to toggle the hit-points overlay, [J] to toggle the HUD visiblity, [P] to pause, [Q] to toggle quality, [M] to toggle sound. Don't forget to build drones to repair your vessel.