I really like the idea, its a good prototype. For me were the levels to linear, so i always only used one character. The Mage was fun to play, and i also liked, that all the characters had their own special. Good job.
I would love to add more swiss cheese / hitman / dishonored style level design. I was unfortunately too constrained by the deadline but if I'd had another week I think the game would be perfect hahaha