Really interesting game concept! I really liked the way the player controls worked! It's kinda a bit like Downwell but going up instead! It also gives me the vibes of the original Rayman games with the long rising water levels (which were the bane of my life when I was young 😠)
I managed to get to the top of the level with the button, but there was no way I was going to get that far with the moon unfortunately. I think the fact the moon can roll off the platforms makes it very difficult, especially since you can't stop it until you've propelled yourself onto the platform first. Maybe making the moon float, or having some way to stop it going infinitely down would help (or more of the switches would also work possibly! Especially if they acted as checkpoints!)
Otherwise though this was a really cool project! Really liked the concept and it's execution!