Nice and interesting platformer. I like the idea and the level design looks good and the polish is very good for a game made in 2 days.
The only complaint i have is that the physics are weird at times and the controls sometimes are a bit unresponsive, most notably the double jump that works just fine with spacebar but using w or up arrow sometimes doesn't actually register. this doesn't break the game or anything so i'm not mad about these issues.
Overall, pretty good.