Also, I got this error, when the game loads:
An error occurred running the Unity content on this page. See your browser JavaScript console for more info. The error was:
TypeError: Fullscreen request denied
JSEvents_requestFullscreen@https://html-classic.itch.zone/html/17557176/Html%20build/Build/Html%20build.fra...
runDeferredCalls@https://html-classic.itch.zone/html/17557176/Html%20build/Build/Html%20build.fra...
jsEventHandler@https://html-classic.itch.zone/html/17557176/Html%20build/Build/Html%20build.fra...