Monaco-Ville — Unravel the Grimaldi Curse
Decipher the dark secrets behind Monaco's royal weddings. Uncover hidden clues in palaces and chapels to break a centuries-old Grimaldi curse before midnight strikes.
📱 1 to 10 phones · 1 team per phone · Independent codes
For generations, the Grimaldi family has been haunted by a mysterious curse that strikes on their wedding days
Monaco-Ville — Unravel the Grimaldi Curse
You are the newly appointed Princely Archivist for the House of Grimaldi, tasked by Prince Rainier III himself, to trace the origins of a broken oath and lift the shadow hanging over the Rock
Unravel the ancient curse that has plagued the Grimaldi dynasty for over seven centuries, in the heart of Monaco-Ville.
« With God's help »— Official motto of the Principality of Monaco
The story that haunts this land
Your quest begins with a narrative introduction at the Casino de Monte-Carlo, then leads you to the Boulingrins Gardens and the Hôtel de Paris Monte-Carlo. These locations, though more contemporary than the historic core, symbolize Monaco's modernization era under Prince Charles III, who transformed Monaco into a prestigious destination. It is here that the first clues of the curse will be revealed to you, shedding light on the economic consequences of princely decisions and the stakes that have always shaped the history of Monaco. This initiation into modern opulence contrasts with the medieval past you are about to discover.
The route then guides you to the Oceanographic Museum of Monaco and the Saint-Martin Gardens, both located on the edge of the Rock. The Museum, founded by Prince Albert I, testifies to Monaco's long maritime tradition and the Grimaldis' commitment to science. These sites offer perspectives on the Mediterranean, recalling the strategic position of the Rock of Monaco, a 13th-century Genoese fortress. It is by contemplating these views that the first echoes of the broken oath and the founding events of the Grimaldi family in 1297 begin to make sense, preparing you for immersion in the past.
Your investigation leads you to the Chapel of Sainte-Dévote, built in the 11th century and dedicated to the Christian martyr whose boat ran aground on the Monegasque coast. This chapel is a key site in the legend of Sainte-Dévote and is explicitly mentioned in the 'Broken Oath of Monaco' route as a key location for the Grimaldi curse. Located near Quai Albert Ier, it is accessible on foot from Place du Palais in less than 10 minutes. It is here, amidst the relics of Sainte-Dévote, that you will decipher ancient symbols related to the Principality's protection, an essential element for understanding the nature of the curse.
You then progress towards The Rock, the historical and geographical heart of Monaco-Ville. This 60-meter-high rocky promontory, fortified by the Genoese in the 13th century before its capture in 1297 by Francesco Grimaldi, is surrounded by partially visible medieval ramparts. As you walk through the narrow medieval alleys of Monaco-Ville, you will decode riddles on the fortifications and ramparts, which offer strategic observation points over the Mediterranean. The Princely Palace of Monaco, built on the foundations of the 1215 fortress, with its 16th-century frescoes containing coded symbols, reveals the dynasty's secrets.
Your exploration of Monegasque heritage culminates at the Monument aux Morts, mentioned as bearing the 'scars of forgotten oaths', and at the Cathedral of the Immaculate Conception, built between 1875 and 1903. The cathedral houses the tombs of princely family members, offering a direct connection to the history of the Grimaldi sovereigns. By solving the final enigma amidst these monuments, you unravel the threads of the past, understanding how the Principality's official motto, "Deo Juvante" (With God's help), has guided the Grimaldi family through the centuries. This interactive tour of Monaco-Ville, rich in medieval heritage, allows you to lift the curse and restore balance to the Rock of Monaco.
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.
The game downloads to your phone on start. Once the "✓ Downloaded" indicator appears, everything works without data — narration, AR, GPS and puzzles. Perfect abroad without a data plan.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
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 Score of Souls
Follow the notes of a forgotten score, where alchemical symbols and coded messages are hidden.
The Royal Destiny
Reconstruct an ancient litany to try and break the spell weighing on Grimaldi marriages.
Hope Rediscovered
Journey through iconic locations that witnessed the birth and shattering of princely union dreams.
Love is an art, but destiny is an unforeseen masterpiece.
Will you pierce the secret of princely hearts?
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
Q01Is this an outdoor escape game in From Monaco-Ville to Carré d'Or or a classic scavenger hunt?
Both at once: it's an outdoor escape game — team puzzles, narration, clues, final code — but in the streets of From Monaco-Ville to Carré d'Or, at your pace. The classic scavenger hunt mechanic plus augmented reality through the camera.
Q02What walking pace should we expect?
Easy stroll: between stops you walk 3 to 7 minutes. No tough climbs unless flagged on the product page. If you really want to push, you can jog between stops, but that's not the point.
Q03Do we need to be several people to enjoy it?
No, solo works very well. The outdoor escape game format in self-guided mode leaves room for introspection: read the story at your pace, hunt clues like a detective. 2-6 players is more social, solo is more contemplative.
Q04What happens if it rains in From Monaco-Ville to Carré d'Or?
The game is playable in light rain — just keep your phone under a hood. For heavy thunderstorms, your code stays valid, you can postpone to another day at no cost.
Avis des aventuriers
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Your turn to play
Unravel the ancient curse that has plagued the Grimaldi dynasty for over seven centuries, in the heart of Monaco-Ville.
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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