How do I enter?
You can enter by emailing your source code and your solution to firstname.lastname@example.org.
Can I submit a solution for a previous week?
Yes, you can solve all the puzzles on this website.
How often does a new puzzle come out?
A new puzzle comes out every Sunday at 00:00 UTC.
Can I solve a puzzle without a programming language?
No, you must use a recognised programming language for every single puzzle you solve.