Huh, that's weird. I did get a chance to test it ahead of time and it seemed to be working. The cropping is a bit off with the itch.io version because it is made to scale off a 800x600 resolution but I added a fullscreen button to try and get around it. If the start game button is off screen, you should still be able to get it to play by pressing the enter key, it auto defaults to selecting start game. The same is true for the tutorial pages although those may be framed better.