I like the simple clean art and it's very fun to use that giant jump powerup.
Full screen doesn't always seem to work correctly (Windows 10, Google chrome).
I use Windows 10, Google Chrome too but I can use full screen without a problem. So, I am not sure what's wrong. Thanks for the feedback though.
Here's a screenshot of what I mean:
Actually that happened with me too when I was playing another game. I think it's just a bug with Unity WebGL lol.