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Uncover the chilling secret behind a forbidden Moravian hymn that vanished in 1746. Decode clues hidden in sacred buildings to expose a conspiracy that silenced the faithful forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1741, Moravian pioneers forged their utopian settlement in Bethlehem, a beacon of piety amid the wild Pennsylvania frontier
You are a historical musicologist, drawn to Bethlehem's Moravian archives in the present day, seeking to uncover a lost piece of colonial history.
In 1741, Mor
Moravian Bethlehem: The Mystery of Sacred Harmony
« Music is a divine force that unites us and elevates us beyond ourselves. »— Count Nikolaus Ludwig von Zinzendorf, 1742
Founded on Christmas Eve 1741 by German Moravian missionaries, Bethlehem, Pennsylvania, was not merely a settlement but a unique social and spiritual experiment. The community lived under a 'college economy' system, sharing resources and labor, with a deep devotion to education and the arts, especially music. Moravians believed that music was a universal language to express faith and served both for worship and instruction.
Within its first decades, Bethlehem became a recognized musical center in the American colonies. Moravian hymns, chorales, and instrumental compositions, often imported from Europe or created locally by talents like Johann Friedrich Peter and John Antes, resonated throughout the town. This rich musical tradition laid the groundwork for institutions like the renowned Bach Choir of Bethlehem, perpetuating a sonic heritage that still defines the city's identity today.
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
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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Unravel the fragmented scores of a forgotten Moravian hymn, essential to the community's unity.
Explore the iconic sites of the first Moravian settlers, from the church to the communal houses.
Decipher the secrets of an unprecedented historical document, carrying a forgotten melody.
The harmony of our hearts reflects our faith.
Find the song that will unite the community.
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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Gather the fragments of the sacred hymn, hidden in the stones and tales of old Bethlehem, and restore Moravian harmony.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.

Pour approfondir l'histoire morave, visitez l'intérieur de la Nain-Schnecke House et la Brethren's House, où des expositions d'instruments et de partitions illustrent le rôle central de la musique dans la vie quotidienne des colons.
Découvrez l'intérieur majestueux de l'église, lieu de culte et de concerts, où les célèbres chants moraves continuent de résonner, éclairant l'acte 1 de votre aventure.
Visitez cette ferme historique pour une immersion dans la vie agricole morave. Des événements spéciaux y présentent souvent la musique et les coutumes de la communauté, offrant un aperçu du contexte de l'hymne.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.