I think it's great gameplay! The UI is solid too. However, whenever I fall off and the game restarts, I'm stuck in an infinite space skybox and I had to refresh the game entirely. Best score is broken too.
I found an occasional bug where the level with two placeholder blocks didn't generate properly. I couldn't do anything but run back to the start of the level to let the game generate the actual levels. It's a bit hard to catch the bug, but it is there occasionally.
I also found another bug where I could go to the corner of the wall and end up seeing a blue human model with broken animations. It's a solid game, but it needs a bit more polishing.