Reviewed · E-SCAVENGER HUNTS & CITY GAMES

Discover Liège while playing! Escape game – The Walter case

★ 4.5 · 5 reviews From $23.16 per group (up to 6) Operated by Coddy · Bookable on Viator
Book on Viator →

A bomb, a ticking clock, and Liège as your game board. The Walter Case turns a city walk into a private detective story, with your group following clues, choosing suspects, and solving puzzles through a mobile app. I like the freedom to shape the route and the chance to see Liège while doing something more active than a standard guided tour. The low group price is another strong point.

The main catch is your phone battery. One player specifically advises bringing a charger because the game can drain phones quickly. You also need to accept that this is a self-guided experience, not a live tour with an on-site guide to explain the city or rescue you from a tricky puzzle.

Key points to know before you play

Discover Liège while playing! Escape game - The Walter case - Key points to know before you play

  • Your mission begins with a bomb threat: Investigate blackmail against a billionaire CEO, then find a bomb before the two-hour countdown ends.
  • Montagne de Bueren is the starting point: Meet at Montagne de Bueren 20, a memorable place to begin exploring Liège.
  • Your group chooses the investigation: The route, suspects, and search locations change according to your decisions.
  • The game lasts about two and a half hours: Plan enough time to walk, study your surroundings, and work through the clues.
  • The price is per private group: At $23.16 for up to six people, the cost can be excellent for a full group.
  • Bring charged phones and a power bank: The smartphone is essential, and a phone or battery charger is not provided.

A bomb plot begins at Montagne de Bueren

Discover Liège while playing! Escape game - The Walter case - A bomb plot begins at Montagne de Bueren

The Walter Case starts at Montagne de Bueren 20 in Liège. The address places your opening scene at one of the city’s best-known urban landmarks, so you are not beginning in an anonymous car park or office lobby. You arrive in the middle of Liège and start the activity on foot.

The story begins with what sounds like a simple blackmail case involving a billionaire chief executive. Then the stakes jump. You discover that a bomb is hidden somewhere in town and is due to explode in two hours. Your group becomes the only team with enough clues to stop it.

That setup gives the walk a clear purpose. You are not simply moving between puzzle stations because the route needs to fill time. You are searching for evidence, deciding which leads deserve attention, and trying to stay ahead of the clock. I like this kind of structure because it gives even a familiar city walk a little tension.

The countdown is part of the story, but the entire activity is listed at about two hours and 30 minutes. That gives you a practical margin, though I would still avoid starting when you are already rushed. The game asks you to read clues, discuss choices, use the app, and inspect your surroundings. A hurried group may miss details.

Liège becomes part of the puzzle

Discover Liège while playing! Escape game - The Walter case - Liège becomes part of the puzzle

The best feature of an urban escape game is the city itself. Here, Liège is not just a backdrop for a digital story. You need to look around you for help, which makes streets, buildings, public spaces, and city details part of the investigation.

The exact route is not fixed in the usual sightseeing sense. Your decisions guide the next part of the case. You choose the route to follow, the suspects to question, and the places to search. That means two groups may approach the story differently, at least in the choices they make along the way.

This freedom is useful if you dislike rigid tours. You can talk through the evidence with your family or friends and decide what seems important. It also gives the outing a more personal feel than simply following a guide from one stop to the next.

There is a tradeoff. Because your group controls the investigation, you should not book this expecting a carefully explained tour of Liège’s main monuments. You may pass interesting places, but the focus is the case. The city helps you solve the mystery rather than becoming a series of formal sightseeing stops.

I would encourage you to pause when the app points you toward your surroundings. The game is built around observation. Looking only at the phone defeats part of the purpose, and it also makes it easier to miss the urban details that help you progress.

How the mobile game works for a private group

The game is guided through a mobile application, so your group needs at least one working smartphone. The booking does not provide a phone or a battery pack. That detail matters more than it may sound, since the activity can last around two and a half hours and requires regular phone use.

A practical approach is to have more than one person install or access the game if possible. That way, the group has a backup if one phone loses power or develops a connection problem. I would also charge every phone fully before setting out and bring an external power bank.

One direct tip is especially worth following: bring a charger because the battery can run down quickly. The app, screen time, navigation around the city, and possible mobile data use all add pressure to a phone battery. A small power bank may make the difference between finishing the case comfortably and watching the final clues disappear with your battery.

The game includes 24/7 online support. That is helpful for technical trouble or a question about the activity, though it does not turn the experience into a live guided tour. You are still responsible for moving through Liège and working out the case with your own group.

The private format is a real benefit. Only your group participates, so you do not need to solve puzzles in front of strangers or wait for another team. A family can set its own pace, and friends can argue over the evidence without worrying about holding up a larger party.

Following the clues, suspects, and search locations

Discover Liège while playing! Escape game - The Walter case - Following the clues, suspects, and search locations

The investigation develops according to your decisions. This is the part that gives The Walter Case its strongest game element. Instead of receiving a fixed sequence of clues, you decide which lead to pursue and which suspect to question.

That does not mean you can wander anywhere in Liège without a plan. The app guides you, and the case gives your choices a structure. Still, the experience asks you to think as a team. One person may notice a detail in the surroundings, another may spot a pattern in the text, and someone else may push the group toward a different lead.

I would assign simple roles at the start. One person can manage the phone, another can keep track of clues, and everyone can watch the surroundings. Do not let one player become the permanent screen holder. The activity is more social when the whole group takes part.

The route is also described as fun without being too physical. That is useful if you want a city activity with some walking but do not want a demanding outdoor challenge. The information does not promise a completely flat route, so comfortable shoes remain sensible, especially since the activity begins near Montagne de Bueren.

Because no detailed stop-by-stop route is provided, you should think of this as an adaptable city investigation rather than a sightseeing itinerary with guaranteed landmarks. The appeal is the changing path and the mystery. If you need a precise list of monuments, museums, or scenic viewpoints, this may feel less predictable than a conventional tour.

Why the two-and-a-half-hour length matters

Discover Liège while playing! Escape game - The Walter case - Why the two-and-a-half-hour length matters

Two hours and 30 minutes is long enough to make the activity feel like a proper outing rather than a quick phone game. You have time to walk through parts of Liège, discuss the case, and search for clues without racing through every stage.

It is also a substantial block in your day. I would not place it between two reservations with tight travel times. The activity ends back at the meeting point, but the time needed to solve the case can still feel full when you add getting to the start and preparing your phones.

The stated two-hour bomb countdown adds urgency inside the story. You are meant to feel pressure, but the listed activity duration suggests you have a little room around the main narrative. The exact pace will depend on how quickly your group makes decisions and solves the missions.

The end point being the same as the start is convenient. You do not have to arrange transport from a distant final location or wonder where the app will leave you. That also makes it easier to continue your Liège day after the game.

At the end, you receive a summary of your adventure with photos. This gives the activity a proper finish and creates a small record of the route and your group’s performance. It is a modest extra, but it helps the experience feel more complete than simply closing an app after the final answer.

Getting good value from the $23.16 group price

Discover Liège while playing! Escape game - The Walter case - Getting good value from the $23.16 group price

The listed price is $23.16 per group of up to six people. That is not a per-person rate. With six players, the cost works out to less than $4 per person, which is strong value for a private activity lasting around two and a half hours.

With only two players, the per-person cost is higher, but it can still make sense if you value privacy and control over the pace. A larger group gets the best financial deal, while a smaller group may find the puzzles more manageable because fewer opinions are competing.

The price includes the city game, access to the mobile experience, online support, and the closing summary with photos. It does not include food or drinks, so plan those separately. Since you are outdoors in Liège for much of the activity, a café stop before or after can help, but it is not part of the booking.

The game can remain valid for up to three years. That is unusually flexible and useful if your plans change. You do not have to force the activity into a single short visit if you are arranging it well ahead of time.

Free cancellation is available when you cancel at least 24 hours before the local start time. Canceling within 24 hours does not qualify for a refund, and last-minute changes are not accepted. I would check your schedule before reserving, even though the long validity period gives you room to reschedule in advance.

Who should choose The Walter Case

Discover Liège while playing! Escape game - The Walter case - Who should choose The Walter Case

I think this suits families, couples, and groups of friends who enjoy solving problems together. It works especially well for people who want to see Liège while taking part in an activity, rather than sitting in a traditional tour group and listening to a fixed commentary.

It can also be a good choice for a private group with mixed interests. Someone who likes puzzles can focus on the investigation, while someone who prefers city walks can pay attention to the surroundings. You do not need everyone to be a serious escape-room expert.

The activity is listed as suitable for most participants, and service animals are allowed. It is near public transportation, which makes reaching the starting point easier. Still, the game involves walking through city streets and using a phone, so you should consider your group’s comfort with both before booking.

I would be more cautious if you want a guide to explain Liège’s history at every stop. The app leads the experience, and the story takes priority. You also need a group willing to make decisions. If nobody wants to read clues, debate options, or manage the phone, the game may feel like work rather than entertainment.

The urban setting also means the city remains the city. You will be solving the case in public spaces, not inside a controlled escape-room facility. That adds atmosphere and local texture, but it may also bring ordinary street distractions and interruptions.

Small preparations that make the case better

Arrive ready to start at the meeting point, with the app and phones prepared. The booking confirmation is received at the time of booking, so keep the necessary details accessible before you reach Montagne de Bueren 20.

A few simple steps can improve the outing:

  • Charge every phone fully.
  • Bring an external battery or phone charger.
  • Let more than one person follow the app.
  • Wear comfortable shoes.
  • Leave enough time for the full two-and-a-half-hour activity.
  • Decide before starting who will read clues and who will watch the surroundings.

Do not over-plan the route. The game is designed around choices, so part of the fun comes from deciding what to do next. A little organization helps, but a detailed sightseeing schedule may work against the format.

The current score is 4.4 from five ratings, with particular praise for the story and the route through the city. One strong assessment describes the plot as well constructed and the walk as a good way to discover Liège without being too physical. That matches the activity’s main appeal: it gives you a reason to move through town without turning the day into a hard hike.

Should you book The Walter Case?

I would book The Walter Case if you want a private, affordable way to see Liège while working through a mystery. The strongest reasons are the flexible route, the well-defined bomb plot, the manageable physical effort, and the excellent group value when six people share the cost.

I would skip it if you want a live guide, a guaranteed monument-by-monument tour, or an activity that requires no phone preparation. Bring a power bank, allow the full two-and-a-half hours, and choose companions who enjoy making decisions together.

For a family or friend group seeking a different city walk, this is a smart pick. Liège supplies the streets, your group supplies the detective work, and the app keeps the case moving.

FAQ

Where does The Walter Case begin?

The activity begins at Montagne de Bueren 20, 4000 Liège, Belgium.

Where does the activity end?

The game ends back at the meeting point.

How long does the experience last?

The expected duration is approximately two hours and 30 minutes.

How much does the game cost?

The listed price is $23.16 per group, for up to six people.

Is this a private activity?

Yes. Only your group participates in the activity.

How is the game guided?

You use a mobile application that guides your group through the city and presents the puzzles and missions.

Do I need a smartphone?

Yes. A smartphone is required for the mobile application, and the phone is not included.

Is a phone charger provided?

No. A smartphone and battery are not included, so you should bring a fully charged phone and an external charger.

Is food or drink included?

No. Food and drinks are not included in the activity.

Can I cancel for a full refund?

Yes, if you cancel at least 24 hours before the experience start time. Cancellations within 24 hours are not refundable, and changes during that period are not accepted.

Scroll to Top

Explore Belgium

Pick a city, a glass or an apron.