Really cool idea, and definitely fun if collecting the powerups. Not sure if each powerup is associated with a specific color, but I ended up just ignoring them completely my first run since I thought they were asteroids, then realized that there WERE powerups. I thought it was really cool when things started spinning, and it was kind of like a gamble if it was gonna be a good or bad powerup, but again, not sure if it was supposed to be a gamble, but I definitely found it really fun that way! I also really liked the music and art, and found them to complement each other!