Intercepts are pouring in from the Kriegsmarine. Every minute one stays uncracked,
Allied lives are at risk. You are the new analyst in Hut 8 — Turing's hut. Your job
is to crack the cipher one letter at a time. The math problem on your desk is the key
that unlocks the next letter. Get it right, the letter appears. Get it wrong, the
letter stays buried — and your streak ends.
Tap an answer · or press 1 2 3 4
Crack the message before time runs out. Build streaks for huge score multipliers.