[just post a binary and let people burn their own carts (making the risk of litigation virtually nil since no money is changing hands).
Is there a forum telling how to permanently burn their own cartridges?
I recently posted a list of hacked games I would purchase. It is titled “Hacks for my Daughter to Play.” I believe the important feature on selling games is having a cool, professional instructions and a good label.
If you like sci-fi, one very popular show that has been neglected is Stargate SG1. I believe Riddle of the Sphinx could be hacked into a very good Stargate game.