
Moriarty's Game: The Professor's Invitation
- Immersive experience across Marylebone, London
- Prize for every player in successful teams
- Interactive text messages and phone calls
For anyone who wants to test their problem-solving skills as a team, HiddenCity is a strong choice, as you unravel city-wide puzzles through interactive messages and can stop for refreshments at scheduled intervals.
At Moriarty’s safehouse, teams solve clues and puzzles, inspect poisons, and interact with characters via text messages and phone calls.
For two people, Questo's Wizarding London: Interactive Game & Magical Walking Tour works out £21.81 a head cheaper (£4.74 each against £26.55). There is no guide, teams of 2-5 play privately, and instructions arrive via mobile.
Choose it if a prize for every player in successful teams matters to you or you want a story that changes with your decisions. Skip it if you prefer a shorter experience for your money.
Its tours pick up about 25 new reviews a month on the sites we track (roughly 250 bookers a month, our own estimate) - 8/10 on the Booking Wolf popularity scale.
Moriarty's Game: The Professor's InvitationThe most reviewed of its 4 tours.
HiddenCity has four tours and tickets on Booking Wolf, all in London. The closest comparable tour from another operator, Secret City Mission's Greenwich, London Real-world Adventure Game, costs £13.50 - £13.05 less than the Moriarty's Game The Professor's Invitation at £26.55. Its tours pick up about 25 new reviews a month on the sites we track - roughly 250 bookers a month if about 1 in 10 bookers leaves a review (our own estimate, from how many reviews they gained between March and October 2026). That puts the operator at 8/10 on the Booking Wolf popularity scale.
HiddenCity was established in 2012 and offers outdoor adventure games in London.
Its other tours include the Hunt for the Cheshire Cat and the Enchanted Mirror and 007 Shadow of Spectre.
All 4 tours, compared




Prices from 26 October 2026
Booking Wolf prices three of HiddenCity's four tours at £26.55 per person; only the 007 Shadow Of Spectre costs more, at £32.40.
Its most-reviewed tour, the Moriarty's Game The Professor's Invitation, is one of the £26.55 tours; Viator lists it at £29.50. This tour is sold in two age bands - children (0-9) and adults (10+) - and the £26.55 is the adult price.
For 3 to 4 hours, guests on the Moriarty's Game The Professor's Invitation are journeying across Marylebone, solving puzzles, inspecting poisons and uncovering hidden city Cheshire Cat review locations.
At £26.55 per person, HiddenCity's Moriarty's Game The Professor's Invitation costs £13.05 more than the closest comparable tour on Booking Wolf, Secret City Mission's Greenwich, London Real-world Adventure Game (listed at 3 hours), which is £13.50. The price is for a private tour. All three comparable tours from other operators on Booking Wolf cost less.
| Operator | Tour | Length | From | Popularity |
|---|---|---|---|---|
| HiddenCity | Moriarty's Game: The Professor's Invitation | 3 to 4 hours | £26.55 per person | 4/10 |
| Secret City Mission | Greenwich, London: Real-world Adventure Game | 3 hours | £13.50 per person | 2/10 |
This one lists optional breaks to explore historic sites, while HiddenCity's tour includes interactions with people encountered during the game. Each tour caters to those interested in a shorter outing and a more structured narrative experience.
Any level of fitness is fine, and service animals are welcome.
The adventure begins at The Marylebone pub, located at 93 Marylebone High Street, London W1U 4RE. 93 Marylebone High Street, London W1U 4RE: The starting point of the game, The Marylebone pub, serves as the initial gathering location.
How long do HiddenCity tours last?
The HiddenCity tour, the Moriarty's Game The Professor's Invitation, lasts 3 to 4 hours.
What is the HiddenCity cancellation policy?
Yes, HiddenCity refunds three of its tours in full, including the Moriarty's Game The Professor's Invitation, if you cancel at least 24 hours before the start.
What is the best-known HiddenCity tour?
The most popular HiddenCity tour is Moriarty's Game The Professor's Invitation, priced at £26.55 per person and lasting 3 to 4 hours.
How much are HiddenCity tours?
HiddenCity tours cost from £26.55 to £32.40 per person. The most-reviewed tour, Moriarty's Game The Professor's Invitation, is priced at £26.55.
What do HiddenCity tours include?
The Moriarty's Game The Professor's Invitation includes interactions with people you meet in the real world, a prize for every player in successful teams, hands-on physical puzzles for your team to solve, interactive text messages and phone calls with characters in the story, and a fully flexible ticket. It does not exclude any specific items.
Are HiddenCity tours good for kids?
Yes, HiddenCity tours are suitable for children as they sell tickets in two age bands, child (0 to 9) and adult (10 and over); specialised infant seats are available.
Is HiddenCity legit?
Yes - HiddenCity has four tours on Booking Wolf and receives about 25 new reviews a month.
HiddenCity runs 4 bookable tours in London, from £26.55. The most reviewed is Moriarty's Game: The Professor's Invitation (£26.55).
Book here at the Booking Wolf price: the same tour as on Viator, below Viator's price because we negotiate a discount with the operator.
Prices from 26 October 2026