Moriarty's Game: The Professor's Invitation by HiddenCity
Overview
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…
Journey across the city on a real world adventure game, set in the world of Sherlock Holmes. Solve a trail of clues sent to your phone as you sleuth your way to uncover Moriarty’s safehouse. Make choices, inspect poisons, solve puzzles and unravel riddles on your quest. Pause for food and drink at built-in break points as you undertake your challenge in teams of 2-5 players.
“Perfect… A slam dunk” - Radio Times
What's Included
- Interactions with people you meet, in the real world
- A prize for every player in successful teams, as well as your place on the leaderboard
- A 3-4 hour immersive experience across Marylebone, London
- Hands-on physical puzzles for your team to solve
- Interactive text messages and phone calls with characters in the story
- A story that changes with the decisions you make
- Optional breaks in pubs and cafes, where you can pick up refreshments
- A fully flexible ticket – you can change your date or time yourself, any time
Meeting Location
93 Marylebone High Street
London W1U 4RD, UK
Detailed check-in instructions, including the exact address, are provided with your booking confirmation.
Mayfair
London, UK
What To Expect
Book Online
Safe & secure Easy breezy Hassle‑free
Marylebone
3 hours Admission Ticket Free
Additional Info
- Confirmation is instant and will be received at time of booking
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Specialized infant seats are available
Frequently Asked Questions (7)
Q: What is the cancellation policy for the Moriarty’s Game: The Professor’s Invitation by HiddenCity?
Cancellation Policy
Still have questions?
We're here to help.
Activity code: C-101277P1
Traveler Photos
Reviews
Average 4.83 out of 5 stars based on 489 traveler reviews collected by Key West Private Charters and partner sites such as Cool Destinations and TripAdvisor
Additional Info
Similar Tours & Activities
Combine London’s major landmarks and Windsor Castle on a private 10-hour London and Windsor day tour. Travel in a comfortable Mercedes-Benz V-Class 7-seat minivan with...
$1,704
Step into London’s world of heritage craftsmanship in a fully bespoke experience designed to celebrate Britain’s timeless traditions of design and artistry. Following a private...
$2,385
Private Tour Borough Market Food
The ultimate London food tour: We know the gems you will miss on your own. Join us on our Borough Market foodie experience in London...
$391
Explore great iconic London landmarks, sculptures, monuments, ancient traditions, historic and modern architecture complete with quirky side streets. The aim of this tour is to...
$305
Combine London’s major landmarks and Windsor Castle on a private 10-hour London and Windsor day tour. Travel in a comfortable Mercedes-Benz V-Class 7-seat minivan with...
$1,704
Step into London’s world of heritage craftsmanship in a fully bespoke experience designed to celebrate Britain’s timeless traditions of design and artistry. Following a private...
$2,385
The ultimate London food tour: We know the gems you will miss on your own. Join us on our Borough Market foodie experience in London...
$391
Explore great iconic London landmarks, sculptures, monuments, ancient traditions, historic and modern architecture complete with quirky side streets. The aim of this tour is to...
$305
Travelers Who Bought This Tour Also Bought
Discover London after dark on a 1.5-hour night tour of the city. Traveling by double decker, see top London attractions lit up, including Big Ben,...
$42
Chelsea FC Stadium Tours and Museum
Chelsea Football Club's most popular product! Take the tour that has been enjoyed by millions of sports fans from all around the world! Chelsea FC's...
$49
Remarkable London by Night Tour! This London by Night tour will reveal the floodlit splendour of London’s landmarks as dusk falls. When twilight descends upon...
$39
Cruise from the Houses of Parliament and Big Ben all the way to Greenwich and discover London's historical sights along the way on this 1-hour...
$23
Discover London after dark on a 1.5-hour night tour of the city. Traveling by double decker, see top London attractions lit up, including Big Ben,...
$42
Chelsea Football Club's most popular product! Take the tour that has been enjoyed by millions of sports fans from all around the world! Chelsea FC's...
$49
Remarkable London by Night Tour! This London by Night tour will reveal the floodlit splendour of London’s landmarks as dusk falls. When twilight descends upon...
$39
Cruise from the Houses of Parliament and Big Ben all the way to Greenwich and discover London's historical sights along the way on this 1-hour...
$23
Frequently Asked Questions (7)
The answers provided below were previously given in response to questions from Key West Private Charters customers.
Filter by:
- For a full refund, you must cancel at least 24 hours before the tour start time.
- If you cancel less than 24 hours before the tour start time, the amount you paid will not be refunded.
- Any changes made less than 24 hours before the tour start time will not be accepted.
- Cut-off times are based on the tour local time (GMT).
- Interactions with people you meet, in the real world.
- A prize for every player in successful teams, as well as your place on the leaderboard.
- A 3-4 hour immersive experience across Marylebone, London.
- Hands-on physical puzzles for your team to solve.
- Interactive text messages and phone calls with characters in the story.
- A story that changes with the decisions you make.
- Optional breaks in pubs and cafes, where you can pick up refreshments.
- A fully flexible ticket – you can change your date or time yourself, any time.
There is no minimum age for this tour, so bring your wee one along for an adventure. This tour requires at least one adult to accompany children..
Apr 2025If a date or time is not listed on the calendar, it’s sold out or unavailable for another reason. Support cannot assist further if a date or time is not on the calendar.
If you find a date and time that works for you, book it NOW because things always sell out at this time of year.
Apr 2025Accessibility information for the Moriarty's Game: The Professor's Invitation by HiddenCity is as follows:
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
Detailed check-in instructions – including meeting point address, Google map, and parking information – for Moriarty’s Game: The Professor’s Invitation by HiddenCity will be included in your confirmation email from Key West Private Charters. Please be sure to double and triple check your email address is correct at checkout so this important email makes its way to you!
Mar 2024Once your refund is processed, it usually shows on your card statement within 5–10 business days. The exact timing depends on your bank or card issuer.
Want it sooner? When you cancel, choose Receive a refund to my wallet instead. The credit is in your Wallet straight away and is applied automatically at checkout on your next booking when you’re signed in with the same email. You can see your balance any time in My Wallet.
If you paid part of your booking with Wallet credit, that part always goes back to your Wallet. Trip protection isn’t refundable.
Oct 2026What's Included
- Interactions with people you meet, in the real world
- A prize for every player in successful teams, as well as your place on the leaderboard
- A 3-4 hour immersive experience across Marylebone, London
- Hands-on physical puzzles for your team to solve
- Interactive text messages and phone calls with characters in the story
- A story that changes with the decisions you make
- Optional breaks in pubs and cafes, where you can pick up refreshments
- A fully flexible ticket – you can change your date or time yourself, any time
Additional Info
- Confirmation is instant and will be received at time of booking
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Specialized infant seats are available
