Basically take your project folder on your PC and zip it up, then add that zip to your submission.
Viewing post in Return The Rain jam comments
Okay, since you only see the application to run the game, I went to the game page and changed the upload from an EXECUTABLE to OTHER, hoping that solves the problem.
I then tested the download on another computer and got it to run.
Does this work on your end?
If it is not working on your end, do you have any guides I can used to help solve this issue?