Reviewed · NANTES

Outdoor escape game | Jules Verne – The extraordinary challenge

4.0 · 21 reviews 2 hours (approx.) From $18 Operated by Escape The City · Bookable on Viator
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Jules Verne has been pulled into the present by Professor Sherlock, and your team must send him home. The best part is that the game turns Île de Nantes into your playing field, sending you outside to inspect buildings, streets, and public spaces rather than locking you in a themed room. I like the freedom to set your own pace, and I like the team play, since different people can notice different clues.

The main caution is that this is a smartphone-led game, not a traditional escape room with a live host and elaborate physical sets. The chatbot and app are central to the experience, so a charged phone, reliable internet access, and a willingness to work through digital instructions matter.

Key points at a glance

Outdoor escape game | Jules Verne - The extraordinary challenge - Key points at a glance

  • Jules Verne’s return to the present: Your mission is to help Professor Sherlock correct a time-travel mistake.
  • Outdoor play on Île de Nantes: You walk from clue to clue around Les Machines de l’Île and the surrounding streets.
  • Chatbot-led instructions: The game begins when you open the chat and enter your access code.
  • About two hours: The pace depends on your group, puzzle-solving skills, pauses, and phone use.
  • Private group activity: Only your own party takes part, with no strangers added to your team.
  • Bring your own tools: You need at least one charged smartphone with internet access, plus a notebook and pencil for the group.

A time-travel mission begins at Les Machines de l’Île

Your starting point is Les Machines de l’Île, at Parc des Chantiers on Boulevard Léon Bureau. This places the opening of the game in one of Nantes’s best-known creative districts, but the activity is not a standard guided visit to the attraction itself. You are using the area as a clue-filled setting.

The story gives the walk a clear purpose. Professor Sherlock’s experiment has gone wrong, and instead of sending you into the past, it has brought Jules Verne into the modern world. Verne, famous for his imaginative journeys and inventions, refuses to leave until you accept his challenge.

That premise is a good match for Nantes. Jules Verne was born in the city, so the character feels connected to the place rather than pasted onto a random urban puzzle. Still, you should not book this expecting a detailed Jules Verne lesson. The stated aim is to solve the mission, and one disappointed player found that the game did not teach much about Verne or the site itself.

I would think of the story as a playful frame for exploring the area, not as a substitute for a museum visit. If you want biographical facts, plan a separate stop connected with Jules Verne.

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The chatbot gives you the first instruction

Outdoor escape game | Jules Verne - The extraordinary challenge - The chatbot gives you the first instruction

There is no guide waiting to gather your group for a briefing. You start by opening the chat with the game’s chatbot and entering the access code supplied for your booking. The chatbot then gives you the details of your mission.

This setup keeps the activity flexible. You can begin without coordinating with a host, and your private group can move at its own speed. It also means you need to be comfortable following digital instructions. If your phone battery is low, your internet connection is unreliable, or you dislike interacting with a chatbot, the format may feel less engaging.

At least one smartphone with internet access is required for each team. One phone per player is recommended, since the game can distribute clues among players and adjust parts of the play according to the number of connected phones. I would still have one primary phone ready, even if several teammates use their own devices. That gives you a backup if one phone loses signal or power.

A notebook and pencil are also required for the group. This small detail matters. You may need to record letters, numbers, observations, or possible answers rather than relying only on the chat screen. Give the notebook to the person in your group who enjoys keeping track of clues, because scattered notes can quickly become confusing.

Walking the streets in search of clues

Outdoor escape game | Jules Verne - The extraordinary challenge - Walking the streets in search of clues

Once the mission begins, you leave the starting point and follow the instructions around Île de Nantes. The game asks you to observe your surroundings, identify useful details, solve puzzles, and report your answers through the digital companion.

That structure gives you a reason to look closely at ordinary urban features. A façade, sign, street detail, or building position may become part of a puzzle. You are not simply walking from one checkpoint to another. You are trying to interpret what you see.

This is also where the activity’s strengths and weaknesses meet. The outdoor setting can feel lively and spontaneous, especially when your team spots something at the same moment and pieces the answer together. A sunny day and a cooperative group can make the two-hour walk feel like a shared adventure rather than a checklist.

But outdoor games depend on their surroundings staying recognizable. One player reported that a building façade used in an early puzzle had changed since the game was created. The provider later said the player had stopped very early in the game and offered support and a refund because the activity had not been completed. The practical lesson is simple: if a clue seems wrong, do not immediately assume you have failed. Contact the provider and ask for help.

Puzzles, teamwork, and the right pace

The puzzles are designed for group solving, with clues and tasks spread across the players. You will need more than one skill set. One person may notice a visual detail, another may be quick with wordplay, and someone else may keep the team moving when the group gets stuck.

I like this format for families and friends because it gives everyone a role. Children can look for details, adults can organize the clues, and the group can discuss possible answers while walking. One strong comment specifically described the fun of team spirit, quick reactions, and sharp puzzles on a bright day.

The game is not only about being clever. It also rewards attention and communication. Tell your teammates what you see instead of keeping a possible clue to yourself. Write down answers and rejected ideas. If the chatbot sends different information to different phones, compare screens before deciding what matters.

The difficulty may not suit every group. One player found the puzzles uninteresting, while another praised the need for quick thinking and perception. That difference likely comes down to expectations and group style. If you enjoy discussing clues and testing theories, you are more likely to appreciate the format. If you want polished physical props, a live actor, or a tightly staged room, this may feel thin.

Same streets, a different set of clues:

What the two-hour timing really means

The activity is advertised at roughly two hours, but that is not a hard theatrical running time. Your pace depends on how quickly you solve the clues, how long you stop, and how well your group manages the phone-based instructions.

A long pause can affect the session. One person stopped after about two thirds of the game and found that restarting later became difficult. The provider responded that games can be resumed after a break and invited players to contact the team for help. Even so, I would treat this as a continuous outing and avoid planning a long meal or major sightseeing stop in the middle.

The safest plan is to set aside a full two-hour block, arrive with your phone charged, and keep the group moving. If you need a break, save your notes carefully and contact the provider if the game does not restart as expected. The provider also says that hints are spread among the players and that the game adapts to the number of phones connected.

The activity can be played during the stated operating period from July 28, 2020 through February 3, 2027. The schedule is shown for Monday through Sunday, from 12:00 AM to 11:59 PM. Since this is an outdoor activity based on visual clues, daytime is the sensible choice. One player specifically felt it was not suited to nighttime, and another response from the provider agreed that some missions are less comfortable after dark.

Why daylight matters on Île de Nantes

Outdoor escape game | Jules Verne - The extraordinary challenge - Why daylight matters on Île de Nantes

You can technically begin at any time shown in the operating hours, but the puzzle design depends on seeing your surroundings. In daylight, façades, signs, and public details are easier to inspect. You also avoid making the walk harder than it needs to be.

The daylight tip is especially important if you are booking for children. The provider describes this mission as better suited to families with children, and that audience will usually have a better time when the clues are visible and the streets feel easy to navigate.

Weather is another practical consideration. The game takes place outside, so rain, strong sun, or uncomfortable temperatures can affect your concentration. The provider says it may assist with refunds in situations such as significant bad weather or when a player cannot take part, but you should still check the cancellation terms before booking.

The starting and ending point are the same: Les Machines de l’Île, Parc des Chantiers, Boulevard Léon Bureau, 44200 Nantes. That makes the activity easy to pair with other plans in the area. It is also near public transportation, which helps if you are staying elsewhere in Nantes.

Price and value for a private group

Outdoor escape game | Jules Verne - The extraordinary challenge - Price and value for a private group

The listed price is $18.04 per person, with group discounts available. At that price, you are paying for a roughly two-hour private activity built by a creative team of game designers, graphic designers, and developers, not for admission to a museum or a guided tour with a person beside you.

The value depends heavily on your group size and expectations. For a group that enjoys puzzle games, the private format can be worthwhile because you do not share the activity with strangers. You also get an unusual way to walk around Île de Nantes and a story that connects the game to Jules Verne.

For someone looking for information about Nantes, the price may feel less attractive. The game does not promise a full cultural tour, and one player felt the activity offered little information about Jules Verne or the site. You should plan a separate visit if learning about the city is your main goal.

The provider has explained that prices begin at €10 per person for an activity of about two hours, with the money supporting the people who create new games for different cities. Your actual booking price is shown as $18.04 per person, so check the currency and current total before paying. Since the game adapts to the number of connected phones, you may not need one paid device per player, but the group discount details are not specified.

Who will enjoy this Jules Verne game?

I would choose this for a family or friend group that likes walking, observation, and shared problem-solving. It works best when everyone is willing to talk, test answers, and keep an eye on the surroundings.

It is also a good fit for a private group that wants an activity without a scheduled guide. You can avoid being mixed with other parties, and the chatbot gives you the next step as you go.

I would be more cautious if:

  • You want a detailed history of Jules Verne or Nantes.
  • You dislike phone-based activities.
  • Your group expects large physical props or a live game master.
  • You plan to play after dark.
  • You need a fully indoor activity protected from weather.
  • Your party is likely to stop for a long break.

A moderate level of physical fitness is recommended. The game involves walking through the streets, so it is not a sit-down puzzle session. Service animals are allowed, and the start point is near public transportation.

How to prepare before you arrive

A few simple steps can prevent most avoidable problems. Charge your phone fully, confirm that mobile internet works, and bring a backup battery if you have one. The game requires at least one phone per team, but one phone per player is recommended.

Bring a notebook and pencil for the whole group. Wear comfortable shoes and choose clothing suited to the weather. Since the activity may involve looking at buildings and public details, keep your hands free and make it easy to stop briefly without losing track of the group.

Agree on one person to manage the team’s main chat. That person can enter the access code and keep the mission moving, while other players inspect clues and record information. If the chatbot behaves oddly or a clue seems outdated, contact Escape The City rather than abandoning the game.

Cancellation is free up to 24 hours before the start time for a full refund. Within 24 hours, the amount paid is not refunded, and changes are not accepted. The cut-off follows local Nantes time.

Should you book it?

Book this Jules Verne game if you want a private, outdoor puzzle walk with a family or friend group, especially during daylight. The strongest reasons are the story, the use of Île de Nantes as the game board, and the way the puzzles encourage quick teamwork and close observation.

Skip it if you want a traditional escape room, a live guide, or a serious Jules Verne tour. The digital format can be less satisfying when the app or chatbot misbehaves, and the game’s educational value appears limited.

My practical choice would be to book for a dry daytime slot, keep the group to people who enjoy solving problems together, and leave two uninterrupted hours free. With those expectations, the price can make sense as a playful way to see part of Nantes. If you want facts and context, add a separate Jules Verne or city visit rather than asking this game to do both jobs.

FAQ

Where does the game start?

It starts at Les Machines de l’Île, Parc des Chantiers, Boulevard Léon Bureau, 44200 Nantes, France.

Where does the activity end?

The activity ends back at the same meeting point at Les Machines de l’Île.

How long does the game take?

The game takes approximately two hours.

What is the mission about?

Professor Sherlock’s experiment brings Jules Verne into the present instead of sending the group back in time. You must solve puzzles to help return Jules Verne to the 19th century.

How do I begin the game?

Open the chatbot, start the chat, and enter your access code. The chatbot then provides the mission details.

What equipment do I need?

You need at least one charged smartphone with internet access per team. One smartphone per player is recommended. You also need one notebook and pencil for the group.

Is this a private activity?

Yes. Only your own group participates in the activity.

Is the game suitable for children?

The activity information recommends it for participants with a moderate level of physical fitness, and the provider has indicated that the mission can suit families with children.

Can I use public transportation to reach the start?

Yes. The meeting point is near public transportation.

Can I cancel for a refund?

You can cancel at least 24 hours before the local start time for a full refund. Cancellations or changes made within 24 hours are not accepted for a refund.

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