Simple Missile Command style game using asteroids coded using Java and Javafx with these parameter:

-The game will open with an introduction box with name input and a start button

-The user will have a controllable cannon fired by space bar and controlled by arrow keys

-The user will have four lives represented by rectangles, or "buildings" positioned on the ground away from the cannon

-The ground will constantly be bombarded by asteroids (circles) of increasing speed and random size

-The laser will destroy or remove the falling asteroids upon contact

-There will be a score calculator in the upper corner of the game, each asteroid hit will be worth 10 points

-There will be a score multiplier that increases by 1 with each consecutive asteroid destroyed, missing an asteroid will reset the multiplier

-When an asteroid impacts a building it will be removed from the screen, when all buildings are gone the game will end

-At end of game a game over box with the score will be shown