Just finished my first run at 9,25,62 but I know I could do better. I absolutely love this game and have a few ideas.
I think you should add something more at the end, currently you just hit the end like another wall, but I think it would be cool if there's some structure that you hit and has a cool destruction animation.
I think this game could also work with procedural generation, I'd love to be able to play endlessley.
Definitely a 5 stars for me.