I do not understand what does "Submissions with only game file(s) will not be accepted" exactly mean? So there needs to be some kind of documentation or something?
The game just needs to be playable in the browser (on the itch page). If the submission has just a game file, but nothing to play in the browser, then it gets disqualified.
Sorry for the confusion, and I hope this helps. Let me know if you have other questions! (BTW here's last week's submissions for example -- they are all good because the games are playable on the itch page)
