1. Use W, A, S, D to control the ship and press Space to launch。 2. The initial fuel value is 15, decrementing by 1 point per second, and when the fuel value is 0, the game ends。 3. Touching the dropped fuel bottle increases by 15 points, up to a maximum of 30 points。 4. Hitting enemy ships increases 5 points. Planets need to hit twice, increasing the number of points by 10. 10 points are deducted for hitting a friend。 5. 15 fuel points are lost on the enemy side, and 10 points are deducted for hitting the friendly side。 6. The game allows minus points。 7. Press P to pause the game and press M to mute. Start your Star Wars!