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Decipher the sacred geometry hidden by Durbuy's medieval lords in their castles, churches, and monuments. Solve their cryptic alignments to uncover a lost alchemical secret before it vanishes forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the 16th century, the powerful lords of Durbuy—the d'Ursel family and their allies—wove a clandestine network of geometric symbols across their domain
You are Count Théodule d'Ursel, owner of Durbuy castle, personally inspecting your Ardennes estates in 1845.
You walk the cobbled streets of the world's smallest
Discover how the d'Ursel lords redesigned Durbuy according to 18th-century architectural canons, transforming a medieval town into a neo-classical jewel of Wallonia.
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
Durbuy flourishes around Place aux Foires, a commercial theater since the Middle Ages where Ardennes cereals and livestock were traded. The 17th-century buildings framing it testify to the merchant prosperity that preceded the d'Ursel arrival. Their local stone facades, with measured proportions, already announce this search for architectural harmony that the noble family would systematize. Lambert-Joseph Solvay, the 1850s industrialist, organized his technical innovation fairs there, extending the place's economic vocation into the modern era.
The Former Grain Hall reveals 17th-century Ardennes building art: cut local stone, exposed framework, pure geometric volumes. Restored in the 20th century, it embodies this monumental heritage of Wallonia that the d'Ursel knew how to preserve by integrating it into their neo-classical vision. The noble family understood that respecting the existing medieval structures reinforced the legitimacy of their new castle, built from 1760 according to architectural canons from France and Italy.
Durbuy Castle dominates the valley since 1760, a neo-classical manifesto of d'Ursel power. Its corner towers and ordered facade contrast with the town's vernacular architecture, imposing a new architectural language on Belgian Ardennes. Private property of the family since its construction, it remains the symbol of this seigneurial geometry that redesigned local urbanism. Its golden proportions, visible from the Bridge of Sighs, still structure Durbuy's landscape today.
Rue de la Prévôté winds between houses with stepped gables, vestiges of the seigneurial judicial power that the d'Ursel modernized. This 18th-century cobbled street bears the name of the former provostry that controlled local justice before administrative reforms. Saint-Nicolas Church, built between 1750 and 1760 in Ardennes baroque style, closes this urban geometry with its 45-meter bell tower, a landmark visible from the entire valley and symbol of the architectural harmony desired by the lords.
Your route through Durbuy reveals how a noble family managed to transform a medieval town into a model of harmonious urbanism, respecting existing heritage while imprinting their neo-classical mark. The d'Ursel created this geometry of lords that today makes Durbuy Belgium's favorite village, where every street, every facade, every perspective participates in a coherent architectural ensemble. This global vision of urban planning, rare in Belgian Ardennes, transforms your visit into a life-sized art history lesson.
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?
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Decipher the alignments and hidden shapes within Durbuy's urban fabric, a puzzle designed by an enlightened lord.
Immerse yourself in the tales of Durbuy's powerful masters, from John the Blind to the families who shaped its destiny.
Follow the clues of ancient knowledge recorded not on parchment, but in the city's architecture and topography.
Decipher John the Blind's secret plan and reveal Durbuy's hidden harmony.
Between old stones and Ourthe's meanders, a city's geometry unfolds.
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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Discover how the d'Ursel lords redesigned Durbuy according to 18th-century architectural canons, transforming a medieval town into a neo-classical jewel of Wallonia.
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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💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.