This question above ZI dont understznad

Yes, the game "must" belong to you or at the very least, you need to have permission from the developer to modify and/or change the game. 

Mods of completed or unfinished products, "that do not belong to you," are prohibited.

What is this question ... Seriously already the winner of the last jam cheated it did not bother anyone. Frankly, I leave you finally. Sorry Nicoli. I liked the idea though