Moriarty's Game: The Professor's Invitation - a real-world game by HiddenCity

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The Professor's Invitation

AN IMMERSIVE GAME ACROSS LONDON – FULLY FLEXIBLE TICKETS

A treasure hunt-style
experience across London,
guided by your phone

THE EXPERIENCE

Professor James Moriarty invites you to celebrate the finest minds in London by solving his mysterious challenge, which he has personally prepared. Succeed, and he promises to make you an offer you can’t refuse...

Watch the trailer

Book with confidence

You're in control, with fully flexible tickets

Easily add more players after you've booked

Freely change the date and time of your booking as many times as you need

Get a full refund, at any time, if your circumstances change

What you get

For £25 per player you get:

A 3-4 hour immersive experience across Marylebone, London

Interactive text messages and phone calls with characters in the story

A prize for every player in successful teams, as well as your place on the leaderboard

Hands-on physical puzzles for your team to solve

A story that changes with the decisions you make

Interactions with people you meet, in the real world

Optional breaks in pubs and cafes, where you can pick up refreshments

Reviews

A pleasure to play ★★★★ The Stage

An invigorating and original London day out ★★★★ Culture Whisper

Perfect... A slam dunk Huw Fullerton, Radio Times

An awesome immersive experience Time Out

PLAN YOUR EXPERIENCE

Play at your convenience, with fully flexible tickets.

When can I play?

The game runs every day, including bank holidays. Start playing between 10.30am and 7.30pm Mon-Sat, and 10.30am - 5.30pm on Sundays.

How long is the game?

3-4 hours across 2 miles, including optional breaks of up to 75 minutes

Who can play?

The age recommendation for this game is 12+. Under 18s must be supervised by adults due to licensing restrictions. If there are under 18s in your group finish the game by 6pm to gain access to the final location.

Start your game at:The Marylebone pub, 93 Marylebone High St, London, W1U 4RE

How it works

Decipher clues, communicate with characters, solve physical puzzles, and make choices that affect your path in the story…

Watch how to play

Gather your friends into teams of 2-6 people.
Go to the start location and text "Begin".
Solve challenges, uncover hidden locations, and interact with people you meet and the world around you...

More about How it Works