Made it all the way! Very fun game, a bit challenging but I enjoyed the puzzles. I was trying some complicated method to get past level 5, I think it was, but then I realized I was able to grab and throw the other player which made it 100 times easier xD
Only thing I'd recommend is making it so that this game can be played with another person. It's already somewhat "two players," just one player controls two characters. Maybe the other character could move with arrow keys, and clicking the "c" would switch their controls? I don't wanna assume it's easy to add this, there could definitely be new ways to cheat if you can move both players at once, but it'd be nice if it was possible to play with two players.
That aside, pretty fun game! I love it.