I've had the opportunity to work with SPIL several times with my Flash games. They've just started a push to get HTML5 games so if you're messing around with it you might like to talk to them.
You can also talk to Martine Spaans who handles licensing for their Flash game here:
I suppose the key rule is this: "Once submitted, a prize winning Submission becomes the exclusive property of Sponsor and will not be acknowledged or returned."
You can also talk to Martine Spaans who handles licensing for their Flash game here:
http://www.flashgamelicense.com/view_thread.php?thread_id=20...
or here:
https://en.mochimedia.com/community/forum/topic/html5-the-ot...
They're an awesome company to work with, and the biggest company in the world with online gaming by a very big lead.