Early Reviewers

You were left with a mysterious coded note —nineteen letters that no one can crack—you know the danger isn’t over.

Invited to a global AI conference in Scotland, you’re supposed to be tagging along for the ride. But from the moment you arrive, nothing feels right. A strange warning hidden behind castle walls. A researcher with too many secrets. And someone watching your every move.What begins as a quiet trip quickly spirals into a tangled web of hidden identities, encrypted files, and a growing threat no one is talking about—one that could change the world.

Packed with 16 interactive puzzles and branching choices, The Hidden Cipher is a thrilling, twist-filled sequel that puts your brain to the test. Only you can uncover the truth. Can you solve to survive?