Monte-Carlo — Wells's Secret
Uncover the hidden code Joseph Wells used to break the bank at Monte-Carlo Casino. Follow his secret path through sculptures and statues concealing clues to his untold fortune and escape.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1891, Joseph Jagger, known as 'the man who broke the bank,' exploited a flaw in Monte-Carlo Casino's roulette wheel, pocketing over a million francs
Monte-Carlo — Wells's Secret
You are a private investigator, Monte-Carlo, 1875, tasked with understanding the methods of Joseph Jagger, the "man who broke the bank" by exploiting mechanical flaws in the
Immerse yourself in Monte Carlo's golden age, where fortunes and secrets were exchanged beneath the casino's gilding and the breeze of Port Hercule.
A game, a guided tour and a heritage guide — all in one
You're not just buying an escape game. You're carrying a living guide — historical anecdotes, forgotten legends, key monuments, hidden architecture — unfolding as you go.
At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.
Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.
Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.
Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.
A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.
Keep access to the guide & game for 1 year. Come back any time, share it with friends.
« You will not leave this city the way you entered it. »
How does it work?
Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.
No app to download. Play directly from your browser. Guided step by step, at your own pace.
One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.
Point your phone at the façade: a historical character appears and speaks to you in your language. Golden letters magically write themselves on the wall to reveal the puzzle answer.
Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.
French, English, German, Spanish, Italian + 27 other languages auto-translated by AI.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
« With God's help »— Official motto of the Principality of Monaco
The story that haunts this land
Your quest begins at Place du Casino, the official starting point of your Monte Carlo adventure. Redesigned in the 19th century under Prince Charles III, this square is the nerve center of the Principality. It is bordered by prestigious buildings such as the Hôtel de Paris, opened in 1863, and the Café de Paris, established in 1868. It is here, in front of the Monte Carlo Casino, inaugurated on December 14, 1863, and designed by Charles Garnier, that Joseph Jagger allegedly observed the roulette wheels to uncover their secrets. The "tourist landmarks" of Monte Carlo reveal themselves from your very first steps.
Continue to the Casino Gardens of Monte Carlo, created in the 19th century during the complex's development. This Belle Époque landscaped area, with its exotic plants and fountains, is a crucial narrative stage. It was in these "opulent shadows" that wealthy gamblers and European aristocracy mingled, discussing fortunes won or lost. The Casino, whose architect Charles Garnier also designed the Opéra Garnier in Paris, allowed for the abolition of direct taxation in 1869, proof of its economic importance to the Principality. You are exploring the "Belle Époque heritage" of Monte Carlo.
Your "thematic circuit" then takes you to the Opéra de Monte-Carlo, integrated into the Casino complex. Built between 1878 and 1879 by Charles Garnier, this Beaux-Arts style edifice, with an original capacity of 600 seats, is considered one of Europe's most beautiful opera houses. Its first performance, Meyerbeer's 'Robert le Diable', took place on January 25, 1879. Here, you'll discover how culture and gambling intertwined in Monte Carlo's high society life in the 19th century, a key period for the "19th century historic Casino" and the "1929 Monaco Grand Prix" that uses its streets.
The route leads you along Boulevard des Moulins, a main artery of Monte Carlo developed in the 19th century. Lined with Belle Époque buildings and luxury shops, this boulevard connects the Casino to the Prince's Palace. It represents a narrative stage where clues hidden in the architecture will help you progress in your "outdoor escape game Monaco". Further on, you will reach Port Hercule, a historic natural harbor used since antiquity and named after the myth of Hercules. This port has hosted the Monaco Grand Prix since 1929, an event that has marked the history of the "Principality".
As you complete your "interactive Monte Carlo tour", you will have explored the facets of a city shaped by dreams and ambition. From the Hôtel de Paris, the first prestigious address on the French Riviera in 1863, to the Monte Carlo Garnier Opera, each "monument" tells a part of Monte Carlo's history. You will take with you not only Joseph Jagger's secrets, but also a deep understanding of the Principality's "tourism development" and urban growth, a "GPS treasure hunt" that will have revealed the hidden treasures of this exceptional "Monte Carlo heritage".
The Route
8 stages through the city
The gameplay: AR, camera, hidden clues
At each stop, open your phone camera: an augmented reality character appears on the façade and speaks your language. Hunt the clue — it materializes as golden letters on the real wall or floats in front of you. When you find it, the phone vibrates, an AR chest opens and reveals your answer fragment. 8 stops, 8 clues to find with the camera, 1 final code.
The stops on your route are a surprise. You'll discover them one by one, guided by your phone, starting from the meeting point.
How does it work with a group?
One phone = one team. Pick the number at checkout (1 to 10).
Solo, or a group sharing the screen. One team, one code.
Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.
Friends, bachelor/bachelorette, small office outing — each their own code, each plays at their own pace. Tiered pricing then €6 flat per phone from the 6th.
- ✓All codes are independent — play at the same time OR separately, each team advances at its own pace.
- ✓Leaderboard between your teams + global game leaderboard — each score appears in the public ranking.
- ✓More than 10 phones or need a personalized quest? Discover custom tours.
Ready to live this adventure?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
The Swindle of the Century
Delve into the ingenuity of a swindler who challenged the greatest casinos.
Hidden Clues
Scrutinize architecture and urban details to uncover Wells's secret.
A Legendary Character
Relive the exploits of a man whose name became a gambling legend.
The spirit of Monte Carlo: elegance and daring.
Discover the legend that made the Casino tremble.
9 features nobody else has
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
AR treasure chest
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
AR narrator character
Point your phone at the façade: a knight, witch, monk, sailor, detective or ghost appears full-screen and speaks to you in your language with their dedicated ElevenLabs voice (each character has their own unique voice) — your living guide.
Magic golden letters
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Written + audio narration
Every puzzle available as text AND voice-over: read at your own pace or listen eyes-free while walking. Great in groups and for accessibility.
360° radar + vibration
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Heritage storytelling
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
Progressive AI hints
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
AR selfie memento
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
Zero app to install
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
Frequently asked questions
Q01Do I need to download an app?
No, never. You get a link, you click, it plays in your browser. That's the point of a PWA: same as an app, without the hassle.
Q02Does it work offline?
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
Q03How long does a game take?
1 h 30 to 2 h 30 depending on your pace. The timer runs but only for the leaderboard — you play at your own tempo.
Q04What happens if I'm stuck?
You get 3 levels of hints per puzzle (increasing penalty). If truly stuck, you can skip the step (45-min penalty but you keep going).
Q05What's the age range?
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Q06What if my city isn't in the catalogue?
Pre-register or contact us — we'll email you as soon as your city is live.
Q07What is augmented reality exactly?
Point your phone at the façade: a historical character appears full-screen and speaks to you in your language. At the puzzle climax, golden letters magically write themselves on the real wall — that's your answer. After each puzzle solved, a treasure chest floats in front of you. Seeing is believing.
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Immerse yourself in Monte Carlo's golden age, where fortunes and secrets were exchanged beneath the casino's gilding and the breeze of Port Hercule.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
🔒Secure payment · Code in 5 min · Free cancellation
🪙+24 TripCoins granted with your booking
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