Book now

HiddenCity presents

An immersive game
across London

Solve a trail of clues on an
into the world of
a criminal mastermind

Professor James Moriarty invites you to celebrate the finest minds of London by solving his challenge, which he has personally prepared. Your goal is to find his safe house. Succeed and he’ll present you with an offer you won’t refuse...

Solve the
riddles & puzzles

Journey through London in search of his safehouse

£19 per player
Fully flexible tickets

A slam dunk"

Huw Fullerton,
Radio Times

Players rate
Moriarty's game

4.6 out of 5
Based on 271 player responses

£19 per player
Fully flexible tickets


Journey across the city, solving a trail of clues sent to your phone, in a treasure hunt-style experience.

Uncover galleries, pubs, museums, and secret locations. Pause for food and drinks at built-in break points.

Embark on your experience in teams of 2-5 players. Split large groups into multiple teams to play head to head.

This is an immersive game. You'll play a role in the story, interact with people on your journey, solve physical puzzles, and earn yourself a prize at the end.

You have full flexibility. After booking, you can add or remove players, change the date of your game, and get a full refund for any reason... tube strikes, friend’s fish dies, the apocalypse hits…