- Standard site terms apply (no messing)
- Specific rules for each challenge will be published on the day. You don't have to complete it in order to enter.
- There will be various opportunities to increase your chances of winning e.g. by sharing a code with your friends
- This competition uses a cookie that keeps today's door open once you've opened it. If you object to this for some reason, please let me know.
- The winners of doors 1-23 will be announced on the morning of December 24th. The final door will be announced ASAP after the 24th.