You are a soldier and your boss you have entrusted various missions. First you drive a battleship and destroy the enemy air force. If you do, you can continue the fight for air and land.
Click 'Begin' to start. Use the arrow keys or mouse to drive your ship. Press the letters Z and X to rotate your cannon. Click the mouse or the spacebar to fire missiles. Exterminate the largest number of ships to get points and move to the next level. Avoid being shot or your energy will decrease. You have 3 lives.