Late response, but I've been caught up with IRL commitments and such that have distracted me from working on my jam game or chatting with community members. It's possible that other people are equally busy, and this is just an unlucky year. Add in the fact that the Octojam community is very small, and it's no wonder that it feels like a ghost town.
The due date is only a couple more days. Hopefully we'll see a larger turnout in submissions beforehand.