Pretty fun game. Great fast-paced adventure. The void was terrifying the first time I realised it chased you.
One thing I would add is coyote time (the ability to jump a few frames after you enter a fall state) and also the trampolines should be more visible on the dark background.
I liked the parallax background with the cracked objects floating in the void.
Besides that I was pleasantly surprised by the sound design of all things. What software did you use for the music?