Defence Shot is a top down vertical scrolling space shooter. Your mission is to survive against the enemy and upgrade your ship. You have one life, and can survive a maximum of five enemy shots before losing your life. You will lose your life if you crash into another ship. After each wave of enemy ships, you can upgrade and repair your ship with the money you've earned. Move your ship with the arrows or WASD keys. Fire laser with the M or Z key. Use a smartbomb with the N or X key. Press space bar to pause game.