Advent calendar · 1 December
Day 1: Cipher Post
Crack the code on a vintage postcard and read the saying underneath.
This door opens on 1 December, at midnight where you are.
This door was 1 December, and the puzzle of the day has moved on. Today's Cipher Post puzzle is still waiting, or open today's door.
Play Cipher Post
On the game's home screen, tap Today’s postcard.