The theme is SELF-REFERENCE
It was proposed by @TheAndSys and won with 7 votes.
One can join up until submissions close at Sunday Dec 5 23:59 UTC.
Plans go haywire regularly - do not be afraid of making something in 1 or 3 days or to respin the project with a new idea.
Also, joining a team frees one from Itch.
Compliance with the theme is not handled bureaucratically, but via a rating criterion "Creative use of the theme", and rating is open to everyone.
So, the short answer is: interpret it in a way to impress people.
This Mastodon instance is for people interested in technology. Discussions aren't limited to technology, because tech folks shouldn't be limited to technology either!