Reviewed · FRANCE

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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A bot story drives you outside in Nantes. The Outdoor escape game Jules Verne – The extraordinary challenge turns a chatbot chat with Professor Sherlock into a real-world puzzle hunt on Île de Nantes, with Jules Verne as the engine of the story.

I like how the format blends street looking with quick teamwork, so you are not just clicking through screens. I also like the setting, starting by Les Machines de l’Île, which gives the whole thing a memorable “we are in the right place” feeling before you even find the first clue.

One thing to consider: the game leans hard on your smartphone and timing. You need an internet-ready phone, and if your app session bugs or you take a long pause, you may lose momentum or struggle to finish smoothly.

Key things to know before you play

Outdoor escape game | Jules Verne - The extraordinary challenge - Key things to know before you play

  • It starts with a chatbot: you begin by starting a chat, then using your access code to get your mission.
  • You walk and observe: the clues are found around the area, so you will be looking at real details, not only solving logic in your head.
  • You use a digital companion during the quest: you and your teammates work with the app as part of the puzzle flow.
  • Bring a charged phone with internet: one smartphone per team is mandatory, and the connection matters.
  • Plan for smooth play time: there are hints and puzzles, but one review flagged issues with pausing and resuming, plus occasional app problems.

Jules Verne and Sherlock, staged in the open air

Outdoor escape game | Jules Verne - The extraordinary challenge - Jules Verne and Sherlock, staged in the open air
This is not the typical escape room where you stay sealed in one building. Here, you get a story premise that feels like sci-fi theater: Professor Sherlock’s experiment goes sideways, and Jules Verne is suddenly in our time. Your job is to solve puzzles and help Sherlock send him back.

What makes that premise work for you in real life is the match between story and setting. You are on Île de Nantes, an area where it is easy to move, stop, look around, and regroup. The game is built to feel like you are investigating something, not just racing a timer indoors.

Also, the “Sherlock vs. Verne” framing makes the experience playful. Even if you are not a literature nerd, you can still enjoy the hunt because the focus is on puzzles, teamwork, and attention to surroundings. One review even joked about the experience being a team effort on a bright day with sharp enigmas that require quick thinking.

Elsewhere in France, also good:

How the game works, from chatbot to street mission

Outdoor escape game | Jules Verne - The extraordinary challenge - How the game works, from chatbot to street mission
The flow is simple, and that is part of the charm. You do not start by walking out into the dark hoping for clues. You start with your phone.

Here is the practical sequence you should expect:

  • You begin by starting a chat with the game’s chatbot.
  • After you provide your access code, you get the mission details.
  • Then you go on an adventure on foot, hunting for clues.
  • You solve puzzles along the way and interact with your digital companion and your teammates.

So yes, you are using tech. But you are also doing the classic street escape thing: look closely, notice patterns, and coordinate as a team. The digital assistant supports you, but it does not replace your need to explore.

One review complained that the experience did not teach much about Jules Verne or the site itself. That is a fair way to put it, based on what you can infer from the structure. Treat it more like an interactive puzzle story than a guided mini museum tour.

Starting at Les Machines de l’Île, and why it matters

Your meeting point is at Les Machines de l’Île, Parc des Chantiers, Bd Léon Bureau, 44200 Nantes. Ending is back at the same spot, so you are not left wondering where the finish line lives.

I like this start for two reasons:

  1. It gives you a fun, recognizable “anchor.” Even before the puzzles begin, you get a sense you are in Nantes for a reason.
  2. It keeps the game practical. Since you return to the starting area, you are not stuck trying to navigate back after you finish.

It also fits the “outdoor escape” vibe. You start near a landmark-like zone and then fan out. That makes it easier to find your bearings fast with less stress.

What you do during the 2-hour puzzle hunt

The game runs about 2 hours, so you are not committing to a half-day adventure. That time window is long enough to solve multiple steps, but short enough that you should be able to enjoy it even if your team is new to escape games.

During the quest, you’ll do the following:

  • Walk the streets looking for clues.
  • Observe details around you, because the puzzles depend on what you can actually see.
  • Solve puzzles, then use the chatbot companion and teammate input to move forward.

The app interaction is part of the design. You are not just finding objects, you are also confirming answers and receiving the next direction. That is why the smartphone matters so much.

A big tip from the “read between the lines” advice: keep the group talking. One of the strongest praised points in the feedback was good team spirit and lively cooperation. If you split roles, you usually finish faster and have more fun:

  • One person scans surroundings.
  • One person focuses on the phone and puzzle inputs.
  • One person keeps the team on track.

Also, plan your walking pace. Since it is an outdoor format, you are still in charge of your comfort level. The activity asks for moderate physical fitness, which usually means you should be ready to walk around outdoors for about two hours.

Within easy reach:

Time, tech, and the app experience you should expect

Outdoor escape game | Jules Verne - The extraordinary challenge - Time, tech, and the app experience you should expect
This is where your decision-making gets real, because the game relies on a smartphone and internet access.

The equipment list is clear:

  • A charged smartphone with internet access (1 per team mandatory, 1 per player recommended).
  • A notebook and pencil (1 per team).

That notebook sounds old-school, but it is smart. In puzzle hunts, you often benefit from writing down codes, hypotheses, or partial solutions so you do not lose them while everyone is moving and discussing.

Now, the potential snag. A couple of reviews pointed to app problems. One person said the app bugged and they could not complete the escape. Another highlighted that pausing for a long stretch made it hard to resume in time, and they felt the value was weak for the price.

So here is how you protect yourself:

  • Keep your phone battery high. Do not enter on 20 percent and hope.
  • Make sure you have a stable internet connection before you start chatting.
  • Avoid long breaks once you are in the flow. If you do need a stop, keep it short so you do not fall behind the puzzle cadence.
  • If something clearly fails early, contact the provider. One response in the feedback mentioned that the team can help and that refunds were accepted when people could not benefit from the experience.

Finally, note on timing and night play. One feedback point said this is not a night activity and felt more like a family-friendly option with kids. You might enjoy it more in daylight anyway, because spotting clues and details is easier.

Price and value: what you’re really paying for

The price is $18.04 per person, for about 2 hours, with group discounts available. That sounds straightforward, but value depends on how smoothly your tech session runs.

Here is the honest tradeoff:

  • You get a story-driven outdoor puzzle hunt built for a specific Nantes zone, with a chatbot start and a digital companion during play.
  • You also pay for design, puzzle writing, and developers who keep it running.

So if the app works well, you likely feel the value because you get real outdoor game time, not just an indoor script. One review highlighted sharp enigmas and a joyful team vibe, and that is exactly the outcome you want.

But if the app bugs, or if your team cannot get past early steps, then the “$ per completed minute” feeling can turn sour. One review explicitly felt the value was weak compared to pricing, especially when multiple players connected without the experience progressing.

My practical recommendation is to treat this like any smartphone-dependent attraction. It can be great fun, but you need a functional device setup and you should avoid entering with shaky connectivity.

Who should book this Jules Verne escape game

Outdoor escape game | Jules Verne - The extraordinary challenge - Who should book this Jules Verne escape game
This game fits best when you want active problem-solving on foot and you like coordinating with teammates.

You should strongly consider it if:

  • You are traveling with friends or family and want an experience that gets everyone talking.
  • You like puzzles and street scavenger hunts.
  • Your group is comfortable using a smartphone during an activity.
  • You want something around 2 hours, not a full-day commitment.

It can also work for families, but with a realistic expectation. One feedback note suggested it is better as a family-friendly activity with children and not ideal for night. So plan a daytime or early evening slot if kids are involved.

It may be less ideal if:

  • Your group hates tech or refuses to use apps during activities.
  • You need guaranteed “educational” content. Some feedback complained it did not really teach much about Jules Verne or the site, so do not come expecting a history lesson.

Practical tips to help you succeed on your first run

These are small choices that can change your experience from frustrating to fun:

  • Charge everything. Bring power banks if you have them.
  • Bring the notebook and pencil. It really helps for code-style puzzles.
  • Use one phone per team at minimum, but if you can, give each player a phone. More eyes often means faster progress.
  • Keep an eye on your internet connection. If your network drops, the chatbot and companion can become the bottleneck.
  • Stay together. Outdoor clue hunts move faster when the group makes decisions as one unit.

And one more tip based on the pacing concern that appeared in the feedback: if you need a break, keep it short. The game feels like it is meant to flow.

Should you book it? My honest take

If you want an outdoor escape game with a playful Jules Verne story wrapper, this is a solid pick. The start at Les Machines de l’Île and the mix of real-world clue hunting plus a chatbot mission structure makes it a fun option for a couple hours in Nantes. I also appreciate that it is a private group setup, so your team stays your team.

I would only hesitate if you know your smartphone setup is unreliable, you hate app-based interactions, or you are looking for a serious educational Jules Verne experience. In that case, you may feel disappointed.

My call: book it if you can show up with a charged phone and stable internet, and if you want a team puzzle adventure in Nantes that starts with a chatbot mission and ends back at Les Machines de l’Île.

FAQ

Where does the Jules Verne outdoor escape game start and end?

It starts at Les Machines de l’Île, Parc des Chantiers, Bd Léon Bureau, 44200 Nantes, France. It ends back at the same meeting point.

How long does the activity take?

The game lasts about 2 hours.

What do I need to bring?

You need a charged smartphone with internet access (1 per team is mandatory, 1 per player is recommended) and a notebook and pencil (1 per team).

Is this a private activity?

Yes. It is a private tour or activity, so only your group participates.

Is it near public transportation, and is it physically demanding?

It is near public transportation. Travelers should have a moderate physical fitness level.

Can I get a refund if my plans change?

Free cancellation is available. You can cancel up to 24 hours in advance for a full refund. If you cancel less than 24 hours before the experience’s start time, the amount paid is not refunded.

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