After the initial product, I still felt like the game was lacking somewhere, so I've decided to implement some powerups to spice up the game a little. Powerups come from shooting the rainbow missiles.

Powerups include:
Slow-mo: Reduces game speed to 60%
Big Laser: Increases beam width of the laser to 300%
Supernova: Creates a supernova from your position destroying any missile it touches

Now the game feels complete