Comet Blaster

Destroy comets and asteroids from your space ship.

Arrow keys to control the ship.

Mouse - aim and shoot.

As the game progresses, the enemies get faster and more numerous so you'll have to dodge plenty as well as shoot them. Changing colour is very important to your score, as not only will you do more damage, but you will gain many more points if you're the same colour as the enemy you kill.