Hello! Welcome to Feedback Quest 6! My name's Hythrain, and I'm one of the hosts and streamers for this event! This feedback is being written live on my stream.
I had a lot of fun figuring out how this worked and getting the hang of it. When I got to the final phase, my impatience resulted in quite a few losses.
I think mouse controls for this could go over well, making it that the player "grabs" the world and tilts it like that. Simply base it on which side of the world they grab and moving up or down moves that side up or down respectively. This isn't to say the keyboard controls aren't working, I just felt it would have a smoother experience is done with a mouse. There's more room for control and tighter movements.
I also want to note that initially, starting stages threw me off. The first time you're on a screen, the level music is playing and everything seems to be saying it's go time, but it doesn't work. It took me a moment to realize I had to progress through some text by using my mouse or keyboard. I'd just sat having a "Press Z when Ready" message at the top of the screen would alleviate this.
Other than that, fantastic prototype. I want more!