I think you submitted the entire unity project folder, rather than a build of your game. You need to build your game, or else people can't run it. I did open up the game in unity to check it out though. I like the environment!
Viewing post in What's Wrong? jam comments
I just built the project myself for Windows, here's a link to anyone who wants to use it: https://drive.google.com/file/d/1E8vnAO-4w_lnBVvA4BJaIqfg0O-asgqU/view?usp=shari...