LETTERS FROM THE LIBRARY

The Salt Observatory — Collection 02

COLLECTION 02 · SECRETS AFTER DUSK

The Salt Observatory

Under a storm-dark dome, a signed record has been replaced. Follow a calibration trail, match optical requirements and reconstruct a processing sequence to discover whose work has been erased.

For 1–4 players. Six connected discoveries, with illustrated evidence, puzzles and deductions. Allow around 60–90 minutes.

Buy this case individually for €9.90, with no subscription required. English, Dutch, German and French are included. Also part of monthly Collection 02.

English edition 5.0 includes the fully illustrated screen and print editions, separate hints, separate solutions and printing instructions. Dutch, German and French are the earlier editions; use the guide from the same language ZIP.

Choose your language and buy this case · €9.90 · Explore Collection 02