Please see the edit on the previous post :)
I got it to work, I had to pass a -jar flag.
however, it was so large and wouldn't resize properly. I could only see the character when I jumped and saw their head at the bottom of the screen.
Heres a clip of it:
Viewing post in fake maze jam comments
oh I understand now, sorry about that I never saw anything like that, but can do you me a favor?
Try my other game and see if it happens tell me please that I will try to fix after the jam, they were made the same way, here is the link https://argotech.itch.io/re-date
You shouldn't even be able to move the window