Damn! The game feels incredibly polished. The is super nice and seems soo consistent. The platforming feels pretty hard but never unfair. You always get the hang of what to do. I found myself multiple times thinking about the chain of buttons pressed that will need to follow. ^^'
I think it could be very nice if you give the player a little progress bar or similar, displaying how far he made it. As your game got a spicy difficulty level, this could be very nice to keep up motivation.
I'm amazed at how much fun the game gets as soon as you start building the muscle memory for certain jumps.
I've seen some Plattformers with "unreal" platforms. This one surely is my number 1. Great job!