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Uncover the secret wager that forged Monaco's fortune. Decode clues hidden in the Prince's Palace and ancient streets to reveal if the legendary bet was won or lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1297, François Grimaldi, disguised as a monk, infiltrated the Genoese fortress atop Monaco's Rock and seized it in a daring coup
You are Charles III, Prince of Monaco, in the midst of the 19th century, facing an existential crisis.
Your principality faces looming bankruptcy. Your mission: save Monaco-
Dive into the intrigues and audacious bets that forged the legend of Monaco-Ville, from its princely builders to its gambling fortunes.
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. »
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.
Places tied to your adventure — optional entries, totally up to you · per person
« Monaco, this narrow strip of land, is one of Europe's most beautiful winter residences. »— Karl Baedeker, 'Baedeker's Southern France', 1886
Your quest begins at the Esplanade de Monaco, facing the Prince's Palace of Monaco, a Grimaldi fortress since 1297. It was here, on this rock of Monte-Carlo, that Foulques Grimaldi and his men took possession of the site, founding the dynasty that still reigns today. In 1856, Charles III inherited a principality drained after the loss of Menton and Roquebrune. The Palace, a witness to centuries of history and dynastic decisions, was the setting for his reflections on restoring finances. You will discover the first sketches of his audacious project to make Monaco a luxury and gambling destination, a risky bet for the future of Monte-Carlo.
Continue to Rue Princesse Caroline, a commercial artery which, in the 19th century, began to reflect Monaco's ambitions for modernization. As the principality sought means of subsistence, the idea of a casino, inspired by the successes of Baden-Baden, took shape. This street, named in honor of Princess Caroline Gibert de Lametz, mother of Charles III, is an example of the progressive urbanization of Monte-Carlo. You will find clues here about the first investors and the difficulties encountered in attracting the capital needed to build a gambling establishment, a project that would transform the face of Monaco-Ville.
The path then leads you to the Jardin Exotique de Monaco, a place created later, but whose very existence testifies to Charles III's vision of making Monte-Carlo a pole of attraction. Inaugurated in 1933, this garden is a symbol of the wealth and diversity that the principality has cultivated. It represents the culmination of a policy of embellishment and tourist development that began with the casino. You will discover how the creation of green spaces and cultural attractions complemented the gambling offer, making Monaco a complete and sought-after destination, far beyond its baccarat tables.
Arriving at Place du Casino, Monte-Carlo, you are at the heart of Charles III's gamble. It was here, in 1863, that François Blanc, the 'magician of Homburg,' took over the Société des Bains de Mer and the Cercle des Étrangers, laying the foundations for the future gambling empire. The Monte-Carlo Opera, designed by Charles Garnier, was erected in 1878 next to the casino, affirming the cultural dimension of the project. Place du Casino is the focal point where fortunes were made and lost, where Monte-Carlo's Belle Époque architecture rivaled that of the most beautiful European capitals. You will decipher the marketing strategies and innovations that attracted aristocracy and wealthy vacationers from around the world.
Your journey concludes at the Jardins du Casino, Monte-Carlo, a haven of peace that contrasts with the effervescence of the gaming rooms. These carefully landscaped gardens symbolize the success of Charles III's gamble. From the Monaco-Monte-Carlo train station, built from 1868 to facilitate access, to the Hôtel de Paris Monte-Carlo, inaugurated in 1864, every element of Monte-Carlo was designed to attract and retain a wealthy clientele. You will understand how this audacious vision not only saved the principality from ruin but transformed it into a beacon of prosperity and glamour, whose legacy is still palpable today. This exploration of Monaco-Ville will leave you with an understanding of the strategic genius that built this micro-state.
This exploration of Monaco-Ville will have allowed you to grasp the scope of Charles III's gamble and the ingenuity deployed to transform a small principality into a global center of luxury and entertainment. From the decisions made at the Prince's Palace to the audacious architectures of the Place du Casino, Monte-Carlo, you will have followed the evolution of a vision that marked the history of the region. You will take with you not only the keys to this economic success but also the sense of a walk through the streets of Monte-Carlo, rich in historical details and anecdotes about the figures who built the Principality. This circuit offers a unique perspective on the heritage of Monte-Carlo.
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.
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.
Ready to live this adventure?
Get my code · 12€No calendar booking. Code sent immediately by email.
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Follow in Charles III's footsteps as he bets Monaco's future on gambling.
Discover how a visionary prince transformed a daring gamble into lasting prosperity.
Uncover the secrets of financial and architectural engineering behind Monte-Carlo's rise.
When audacity becomes fortune.
Monte-Carlo was a gamble, won against all odds.
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
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.
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
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.
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
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.
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
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.
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).
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Pre-register or contact us — we'll email you as soon as your city is live.
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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Dive into the intrigues and audacious bets that forged the legend of Monaco-Ville, from its princely builders to its gambling fortunes.
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
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More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Uncover the hidden Manuscript of Forgotten Funds, a coded ledger exposing Monte-Carlo's secret financial empire. Decipher clues across the casino district to reveal the conspiracy before it's buried forever.

Uncover the hidden code embedded in Monaco's sculptures. A centuries-old Grimaldi secret lies encrypted in plain sight—decipher the monuments before midnight.

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.

Uncover Prince Rainier III's secret counter-offensive against post-WWII threats and hidden Nazi fortunes. Decode clues across iconic landmarks to expose the conspiracy that nearly toppled the Principality.

Uncover the sinister secrets of a Monaco prince's hidden fortune and deadly political plots. Decode clues across opulent landmarks to expose betrayals before the legacy claims another victim.

Uncover the cursed Serpent emblem hidden during the 1929 Grand Prix. Decode clues at iconic landmarks to expose a sabotaged legend before its dark prophecy strikes again.
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
19€. Découvrez les expositions marines et l'aquarium, fondé par le Prince Albert Ier en 1910.
10€. Explorez les Grands Appartements et la salle du Trône, ouverts au public de juin à octobre.
À partir de 180€. Expérience gastronomique triplement étoilée dans le cadre opulent de l'Hôtel de Paris Monte-Carlo.
Gratuit. Admirez les yachts de luxe et l'architecture moderne, site du Grand Prix de Monaco.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.