Oh very cool mechanic idea! It was fun to watch both screens and trying to get the top guy through~ You should work on it some more after the jam. Perhaps if you do, tweak the bottom screen jump so when you tap it's a small jump and when you hold it's a bigger jump. That way you could navigate through the slimes better. Awesome job submitting a cool/unique game to the jam! Please check out my game when you have time :D