I think you are using the wrong format - make sure for "Kind of project" you pick HTML game
and yes it should only be ZIP archive
ok you had a few syntax errors and forgot to zip the game.zip file but this works! https://drive.google.com/file/d/1M2k5p0aeiO2IVxL7PXOqc-wHt4YLc0tz/view?usp=shari...