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Uncover the hidden secret of the Black Madonna of Einsiedeln, guarded for centuries within the abbey. Decode clues from the Chapel of Grace and monastic sites to reveal a forbidden truth before it vanishes forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the heart of Einsiedeln Abbey, the Black Madonna has drawn pilgrims for over a millennium, her dark visage concealing a profound mystery
You are Brother Albanus, a Benedictine archivist from St.
Gall, dispatched to Einsiedeln in the year 1747 to investigate an ancient manuscript's cryptic clues.
Follow the traces of Meinrad the hermit and uncover the mysteries of the Black Madonna, a statue venerated for 800 years in Einsiedeln's baroque abbey.
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
Einsiedeln was born in 934 around the hermitage of Meinrad of Seldenbüren, a monk murdered in 861 on Meinradsberg which still dominates the Sihl valley today. Abbot Benno von Meginhard transformed this martyrdom site into a Benedictine abbey, the first nucleus of a pilgrimage that would never cease. You begin your investigation in front of Kloster Einsiedeln, a baroque facade from 1674-1735 that replaced the medieval edifice destroyed by flames. This theatrical architecture conceals the Gnadenkapelle, an octagonal sanctuary of 8 by 6 meters that has housed the Black Madonna statue since the 12th century.
The Gnadenkapelle, rebuilt in 1466 then restored after the 1577 fire, concentrates eight centuries of Marian devotion. Its polychrome marble and gold walls frame the miraculous statue that pilgrims have come to touch since the Middle Ages. You then emerge onto Klosterplatz, a 100 by 80 meter square that has structured the monastic village for a thousand years. At its center, the 18th-century baroque Marienbrunnen bears Latin inscriptions honoring the Virgin — first clue in your hunt for the abbey's lost manuscripts.
Your route leads you to the Stiftsbibliothek, founded in the 9th century and one of continental Europe's oldest. Its 160,000 volumes and 3,500 medieval manuscripts, preserved in the baroque hall built between 1757 and 1767, contain the 11th-century Vita Meinradi — the founding document that recounts the holy hermit's assassination. These archives testify to the intellectual continuity that makes Einsiedeln a major monastic center, protected by the Habsburgs from the 13th century under Leopold of Austria.
Meinradsberg, a 150-meter hill accessible in 30 minutes' walk from Klosterplatz, reveals the origin of everything: the hermitage where Meinrad lived from 820 to 861 before being killed by brigands. The 19th-century commemorative chapel marks the exact location of his primitive cell. From this summit, the panoramic view of Einsiedeln reveals the extent of the monastic complex that developed around the martyr's tomb, attracting even Ulrich Zwingli in 1516, the future reformer who came to study the abbey's manuscripts.
Your archivist mission ends in the monastery corridors, where the echo of a thousand years of prayers and studies still resonates. Einsiedeln has revealed its strata to you: the 9th-century primitive hermitage, the medieval abbey, the baroque reconstruction, the 1983 UNESCO World Heritage inscription. You leave with the certainty that this monastic city of Schwyz concentrates one of Europe's longest religious continuities, where each stone tells a chapter of Swiss history and where the Black Madonna continues to attract its 250,000 annual pilgrims.
5-10 curated sites across the territory
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.
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Unravel the riddles of a secret abbey register, guardian of Saint Meinrad's 'treasure of wisdom'.
Explore the symbols and legends surrounding the Black Madonna, Einsiedeln's spiritual heart and the key to your quest.
Follow a path that traces the millennial steps of pilgrims, from Saint Meinrad to the present day.
The past whispers to those who know how to listen.
A treasure of wisdom awaits you.
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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Follow the traces of Meinrad the hermit and uncover the mysteries of the Black Madonna, a statue venerated for 800 years in Einsiedeln's baroque abbey.
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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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
8€. Accès exceptionnel aux manuscrits du IXe siècle et à la Vita Meinradi, document fondateur de l'abbaye.
6€. Collection unique de dioramas miniatures retraçant 1100 ans d'histoire monastique suisse.
12€. Liqueurs aux herbes produites selon les recettes séculaires de l'abbaye, dans la boutique du monastère.
Gratuit. Vue panoramique sur la vallée de la Sihl et l'abbaye illuminée, depuis le site de l'ermitage primitif.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.