Not sure if you had this question answered, and if I'm 100% accurate on this but the rules state "It must be created and submitted within the game jam time frame.". But I think ultimately it would be a question for the people who host the Game Jam. I read some of their Tumblr posts and someone had a similar question and they said they'd prefer you to make a new submission...hope this helps and sorry it's so late into the Jam...