Nice tight platforming controls, amazing music, interesting story, a fun sense of humor, and a unique visual style all come together to make this a great little indie game.

The only thing keeping it from being a 5 is that so far, secret areas don't lead to alternate paths or warp zones, but instead to either a small bit of story or a joke. Then you're forces to go through the level again for the proper exit. It rarely ever feels rewarding to find one.