Neat concept! I included it in my Yogscast Game Jam compilation video series, if you’d like to take a look. :) 

I really liked the idea behind swapping worlds and the art is really cute. The jumping mechanic sometimes feels a little unpolished but it's still a really fun game!

Was a cool idea jumps were extremely difficult, would like to see a more refined version though. Also also won at the beginning without doing anything of note.

Very cool visuals when swapping worlds and I like the potential of two players switching worlds to overcome different obstacles. I'm not sure how but I was able to win at the start without doing anything (maybe collision with object or something). The art is fun and simple. There was a few times I wasn't sure where to go or what to do so maybe an indicator for the goal. I like the concept but I think more needs to be added to the level. Good job. Please check out my game if you get the chance.