Yeah the next update of the game is going to have the parallax move half as fast, not sure why I set it so high. The resolution is set to a static 640x480 because I'm stupid and don't know how to get Godot to scale things up properly lol. I would like it to scale to 960x720 and 1280x960, but I still can't figure out how to do it. Thanks for playing!
68 days ago (+1)
I think you could take a look at this short tutorial for the project settings in Godot, relevant info starts around 2:00.
As for the settings on the Itch game page, check the Fullscreen Button in your project edit page. This is my page settings.
Hope this helps!