REVIEW · THE NETHERLANDS
Groningen Self Guided Sherlock Holmes Murder Mystery Game
Balthasar’s murder turns Groningen into your crime scene, with the Grote Markt as your starting point and your phone as the detective’s notebook. You follow clues, solve codes, meet digital characters, and work through a story filled with twists rather than trail behind a guide.
I like the freedom to start whenever you want and the simple group setup: one ticket covers up to four people using one device. I also like the mix of brainteasers and photo tasks, which gives the game more variety than a string of phone prompts.
The main catch is practical but important: your phone does the heavy lifting. One player reported losing most of a battery charge in the first 20 minutes, so arrive with a full battery or a power bank. If the game pauses, the app allows you to continue from the last session.
Key points about the Groningen mystery game

- Grote Markt starting point: Begin and finish at Groningen’s central square.
- A two-hour Sherlock Holmes case: Follow the murder of Balthasar through a story-led sequence of clues and twists.
- One ticket covers up to four people: Play together on one device, or buy more tickets for a larger group.
- Easy difficulty: The puzzles are designed to suit families with children as well as adults.
- Flexible timing: Choose any start time on your selected date and move at your own pace.
- Phone-based play: You need your own smartphone or another suitable device, plus enough battery for the session.
Starting the case at Grote Markt
The game begins at Grote Markt, the natural heart of Groningen. You are not meeting a guide or joining a fixed departure. Instead, you open the instructions sent after booking, download the Loquiz app, and begin the case when your group is ready.
That flexibility matters. You can fit the game around lunch, a museum visit, or a train arrival. You are not racing to a departure point at a set hour, and you do not have to wait for other groups.
The same flexibility also means you need to manage the start yourself. Read the instructions before arriving, make sure the app is installed, and check that your phone has plenty of charge. A self-guided game is convenient, but it does not come with someone at the square to sort out technical problems or explain the first step.
Grote Markt is also a sensible place to begin because it gives your group a clear public meeting point. The activity ends back there, so you do not need to arrange a pickup or work out where the route finishes.
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Following Sherlock Holmes through Groningen

The central story concerns the murder of Balthasar. You take the detective role, working through clues and puzzles to determine what happened. The game uses Groningen as its playing area, but the supplied details do not promise a formal tour of named monuments or a guide’s commentary on local history.
That distinction is worth keeping clear. You are using the city as a setting for a case, not taking a conventional sightseeing walk. If your main goal is historical explanation, architectural detail, or local recommendations from a guide, this is not the right format.
If you enjoy solving things as you walk, the format has real appeal. Each completed puzzle moves the story forward, and the changing surroundings give your group something to look at between phone-based tasks. You might notice parts of central Groningen differently when you are searching for a clue instead of simply walking from one attraction to another.
The experience is designed around suspense, but it is also meant to be approachable. The stated difficulty is easy, so you should not expect a puzzle competition built for expert codebreakers. That makes it a practical choice for mixed groups, where one person may enjoy riddles while another prefers the story or the photo challenges.
Digital characters, codes, and photo tasks

The game combines several kinds of activity. You will follow written clues, crack codes, interact with digital characters, and complete photo tasks. This mixture helps prevent the session from feeling like two straight hours of reading instructions on a screen.
The digital characters add a story layer. Rather than receiving only detached questions, you encounter people within the case and use their information as part of the investigation. Since the game is self-guided, these characters replace some of the personal contact you would normally get from a live guide.
The codes provide the more traditional detective work. You may need to connect details, spot patterns, or use information found during the route. The exact puzzles can vary in how challenging they feel to different players, but the official level is easy, making the activity suitable for families with children.
Photo tasks bring a lighter touch. They give your group a reason to use the city around you and can turn the game into a shared memory rather than a private screen exercise. They also work well for groups with different attention spans, since not every moment requires concentrated puzzle solving.
You should still expect to spend much of the activity looking at your phone. The city supplies the setting, but the app supplies the instructions, characters, story, and progress. If you want a fully screen-free way to see Groningen, choose a walking tour instead.
How the two-hour route works
The advertised duration is about two hours. That is long enough for a proper outing, but short enough to fit into a half day without taking over your schedule.
The route begins with the case setup at Grote Markt. From there, the app guides you through the next stages. You are not given a detailed list of named stops in advance, so it is best to think of the route as a sequence of game tasks rather than a fixed sightseeing itinerary.
At each stage, your group works out what to do next. Some moments focus on clues and codes. Others involve digital characters or a photo task. The story is built around twists, so the point is not only to reach the next location, but to keep reassessing what you think happened to Balthasar.
You can play at your own pace. A quick group may move through the prompts briskly, while a family with children may take longer to discuss answers and complete the photo tasks. The two-hour estimate should be treated as a planning guide rather than a strict finishing time.
The end point returns you to Grote Markt. That makes the activity easy to pair with nearby plans, although the supplied information does not identify specific cafés, museums, or sights along the route. You can decide what to do next without being left at an unfamiliar finishing point.
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Playing solo, with family, or in a team

One ticket is for a group of one to four people using one device. This is one of the strongest parts of the pricing structure. At $31.07 per group, four people can share the cost, making it about $7.77 each before any changes in the displayed price or booking conditions.
For two people, the cost works out to about $15.54 each. A solo player pays the full group rate, so the value is better for a small team than for one person. Larger parties can buy multiple tickets, though each group of up to four should plan to use its own device and game access.
A family can divide roles naturally. One person reads the story, another searches the surroundings, and someone else handles the codes or photographs. Because the difficulty is easy, children can take part without the whole activity depending on one experienced puzzle player.
Friends and colleagues may prefer a more competitive approach. You can split a larger party into teams and compare progress, but the provided information does not promise a formal scoring system or a guide-led contest. Buy extra tickets only if you want separate groups to play.
Solo play is possible, but it changes the feel. You must manage the phone, read every clue, solve each task, and take any required photos yourself. If you enjoy independent puzzle games, that can be satisfying. If you mainly want conversation and shared laughs, bring at least one other person.
Battery planning is part of the detective work

The clearest practical warning concerns phone power. One player found that the game used roughly 70 percent of a phone battery in the first 20 minutes and could not finish at that point.
That is not a small inconvenience during a phone-based activity. Without a working device, you lose access to the clues, story, and next steps. Charge your phone fully before leaving, lower the screen brightness if practical, and bring a portable charger if you own one.
There is also a useful recovery feature. If the game stops, you can return through the app by choosing the option to continue the last session. That means a pause does not necessarily erase your progress, but it is still better to prevent the problem than to solve it halfway through the case.
The experience requires your own smartphone or another suitable device. A guide, device rental, transport, and extra information about city sights are not included. Those omissions keep the product simple and help explain why the activity works best for people comfortable handling the technical side themselves.
What the price delivers
At $31.07 for up to four people, the price is reasonable if your group actually plays together. You receive the murder mystery game and the freedom to choose your start time, with no live guide or fixed departure to pay for.
The value comes from the combination of story and city movement. You are not just buying a set of riddles in a room. You are using Groningen as the backdrop, walking between tasks, and sharing decisions with your group.
Still, value depends on what you want from Groningen. If you want a local expert explaining the city, this price does not cover that service. The activity does not include a guide or promised commentary about the city’s sights.
For a family or group of friends looking for a two-hour activity, the shared rate is the better deal. For a solo player, the cost is harder to justify unless you particularly like mystery games. I would also compare the price with your group’s appetite for phone-based play, because the format is the whole product.
Who should book this activity

I would recommend it to friends, families, colleagues, and solo players who like light detective games. It is especially suited to a group that wants something active and social but does not want to commit to a guide-led tour at a fixed hour.
Families should appreciate the easy difficulty and photo tasks. Children can contribute without needing advanced puzzle skills, though an adult will likely need to manage the app and keep the group moving.
It can also work well as a casual team activity. Four people share one device, so the group has to talk and agree on answers rather than scattering across separate screens. Larger groups can purchase multiple tickets and play in smaller teams.
I would hesitate if your priority is local history, personal storytelling, or a fully guided walk. I would also hesitate if your phone battery is unreliable, your group dislikes looking at screens, or you want a hard puzzle designed for experienced escape-room players.
The current score is 3.3 out of 5 from three ratings, so I would set expectations carefully. The concept is appealing, but the experience depends on smooth app use and a charged phone. The support response to the battery problem makes clear that you can resume a session, but it does not remove the need for sensible preparation.
Should you book the Groningen Sherlock Holmes game?
Book it if you want a flexible two-hour mystery that turns a Groningen walk into a shared puzzle. The best value comes with two to four people, especially if your group enjoys codes, story twists, and playful photo tasks.
Skip it if you are seeking a guide, detailed sightseeing commentary, or a screen-free city experience. Charge your phone, install Loquiz before you start, and treat the game as an interactive outing rather than a standard tour. With those expectations, Balthasar’s case offers a simple and adaptable way to spend part of a day in Groningen.
FAQ
Where does the Sherlock Holmes game start?
It starts at Grote Markt in Groningen, Netherlands.
Where does the activity finish?
The activity ends back at the meeting point, Grote Markt.
How long does the game take?
The game takes approximately two hours.
Can I choose my start time?
Yes. You can start at any time on your selected date and play at your own pace.
How many people can use one ticket?
One ticket covers a group of one to four people using one device.
Can larger groups take part?
Yes. Larger groups can buy multiple tickets.
Is the game suitable for children?
Yes. The stated difficulty is easy and the game is described as suitable for families with children.
Do I need a smartphone?
Yes. You need your own smartphone or another suitable device to play.
Is a tour guide included?
No. This is a self-guided game, and no tour guide is included.
What happens if my game is interrupted?
You can continue by selecting the option in the app to resume the last session.
Can I cancel for a refund?
Yes. You can receive a full refund if you cancel at least 24 hours before the experience start time. Cancellations within 24 hours are not refundable.
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