The 15 Puzzle

Scroll below for instructions

Instructions
Wait for the applet and sounds to load, then click on the applet area and press the 'S' key or click the mouse on the applet area to start. Enemy ships are pursuing your cruiser. Shoot them down before they get close enough to fire. Your shields will protect you but they can only take so much damage. Once they're gone, so are you.
Keyboard Controls
Key	Description	Mouse	Description
S	Start Game	Move	Aim Crosshairs
P	Pause Game	Button	Fire
M	Mute
Scoring
Point values for each type of enemy ship are based on the ship's speed and firepower. See the applet display for a description of each ship type.