Really eye-opening!
It's weird: when I was incrementally tweaking the controls, I had in mind an idea of a sprite with careful, Mario-like controls. But in the end I found that I'd created something in which the gameplay was a case of pressing forward and learning the jump timing, which was actually quite fun, just not in the way I thought.
I'd be super interested to be able to test this in a play area with some verticality. Apart from anything else that'd really show the difference terminal velocity would make.
Thanks for developing this. :)