Itch.io is a great place for sharing games, but hosts many other mediums as well. Take ten days to make something that isn't a video game. Try something new, make something weird, horrible, or different. Make it a new experience for you, not just a repeat of something you've done before.
Make something that is not a video game. Some examples are:
You cannot start working before the jam starts. Feel free to brainstorm, but don't make anything before the jam starts. I'll be posting optional themes an hour before the jam starts, if you want something to help brainstorm.
Q: What happens if I submit a video game?
A: I can't stop you, but come on man just follow the jam, like really man, come on now, ok?
Q: What about interactive fiction and/or Twine games?
A: I'll let those slide.