Once upon a time there was a colored Bob. And his life was full of bright colors and joys. One day two color thieves stole a color from Bob's color. Bob's life instantly lost its colors, became gloomy and boring. Because of grief, Bob collapsed to the very bottom. And he has to go even lower. Along the way, he will have to overcome thousands of traps and destroy billions of enemies. And it is you who will help him in this adventure.