Nice game! The concept is original, and the puzzles were interesting! It is a really clever idea, I don't remember seeing anything like that in a game before. I feel like there is great potential, good job =)!
I know it is a lot in such a short time, but I would have added a bit of user feedback when a character uses (or cannot use) the ability. For example, I would have liked a color change when a character can pass through a wall.
But otherwise, it is a solid entry, congratulations =).