Author signups are closed, but Artists can signup through February. It may take a week or so for new registrants to get their login info. If you participated last year, you still need to fill out the sign-up form, but you will not receive a new login.
Sign-ups for 2020 are open from August 1 to October 31, 2019 for Authors and until Feb 28 2020 for Artists.
If the dark theme of the site is difficult for you to read, check out "In the Dark" on the top menu for reading alternatives.
If you want to know about the Quantum Bang, you should check out our FAQs
The admin and moderation team facilitate and run the challenge, we don't read every submission. If there's a problem with a story in terms of it violating the rules, we likely don't know about it. Please use the contact form.