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CODEBREAKER CASES · CASE 001

The Midnight Prototype

Recover a stolen cipher wheel before the museum reopens.

Field Agent · Intermediate10–15 minutesFree introductory case

STAGE 01 · Caesar substitution

The Intercept

0/4 solved

A prototype cipher wheel vanished during an eight-minute museum blackout. Decode the intercepted instruction to find the first piece of evidence.

EMERGENCY CIPHER MEMO

The final digit on the stopped clock is the Caesar shift key. Move every intercepted letter backward by that many places, wrapping A back to Z.

8:17SHIFT KEY: 7

INTERCEPTED MESSAGE

JOLJR SVJRLY J
REFERENCE ALPHABETABCDEFGHIJKLMNOPQRSTUVWXYZCount seven places backward for each intercepted letter.

OPTIONAL FIELD ASSISTANCE