Nice game. Pretty impressive that you managed to include 5 different main characters, but I suspect the game might have turned out better if you focused on the ones with more interesting abilities. I really dig what you did with Hatate, for example. In general, I feel like cycling through a number of abilities/characters greater than 3 or so tends to break my flow.
I like that you let the player get creative with how to solve the levels, even though there is a clearly intended solution.