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Uncover the monk's cryptic revelation during a deadly storm that forged Martin Luther's divine calling. Decode clues across Erfurt's medieval sites to reveal the hidden truth of his fateful vow.
📱 1 to 10 phones · 1 team per phone · Independent codes
On July 2, 1505, a ferocious thunderstorm struck near Erfurt's Luther Stone, where student Martin Luther, caught in the lightning's fury, cried out to Saint Anne for salvation
You are Martin Luther, a young scholar caught in a biblical storm on July 2, 1505, on the road between Stotternheim and Erfurt.
You have just cried out to
Immerse yourself in Thuringia, in the cobblestone streets of Erfurt, to relive the night when Martin Luther, an Augustinian monk, changed the course of European history.
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
Your quest begins in front of the Augustinian Monastery, founded in 1277 by Augustinian monks. It was here, on July 17, 1505, that Martin Luther entered and took his vows in 1506. From 1505 to 1511, this central place of his monastic formation, with its 13th-century buildings and cloisters, saw the future reformer study theology. Explore these walls where he developed the ideas that would shake Europe, an essential site of Martin Luther's heritage and Erfurt's history.
Continue towards Fischmarkt, a historic fish market square since the 13th century, less than 500m from the Augustinian Monastery. Surrounded by 15th-16th century half-timbered houses and paved since 1250, this square was a vital trading center in the Middle Ages. It offers you a glimpse into daily life in Erfurt during Luther's time, before leading you to the Krämerbrücke, another jewel of the medieval historic center.
The Krämerbrücke, a inhabited bridge built in 1325 and rebuilt after a fire the same year, is unique in Europe with its 32 residential buildings over 87 meters long. Classified as a historical monument since 1902, this Gothic bridge crossing the Gera, with its twin chapels from 1483, connects old districts of Erfurt. It represents the vitality of the Hanseatic city and the architectural richness of Thuringia.
Your route then leads you to Domplatz, the heart of Erfurt's historic center, about 1 km from the monastery. This central square, used for markets and public executions until the 19th century, is dominated by Erfurt Cathedral (St. Mary's Cathedral), a Gothic construction completed in 1496, and St. Severi's Church. Adjacent to the cathedral, St. Severi's Church, Romanesque from the 11th century with its 14th-century Gothic tower, has been a continuous place of worship for a thousand years. These edifices, with Europe's largest continuously used bell (13 tons, 1429) in the cathedral, are monuments of Thuringia UNESCO Luther 2017.
Finally, your exploration concludes by returning to the Augustinian Monastery, the starting and ending point of your journey in Erfurt. This thematic circuit in Thuringia will have allowed you to grasp the impact of Luther's vocation, from the Luther Stone on the road to Stotternheim to the heart of the city. You will have discovered not only the monuments of Erfurt, but also the atmosphere of a pivotal era, making this interactive visit a true immersion in the history of the Reformation and German medieval heritage.
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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Follow the journey of a young man whose faith changed the world.
Decipher the event that transformed a student into a monk.
Explore the city that shaped Luther and other great thinkers.
The thunder that changed the world.
The origins of the Reformation in Erfurt.
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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Immerse yourself in Thuringia, in the cobblestone streets of Erfurt, to relive the night when Martin Luther, an Augustinian monk, changed the course of European history.
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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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
8€. Explorez les cellules et les salles où Martin Luther a vécu et étudié, avec des expositions sur sa vie monastique de 1505 à 1511.
3-5€. Goûtez la célèbre saucisse de Thuringe, une spécialité locale grillée, souvent vendue sur la Domplatz ou le Fischmarkt.
Gratuit. Montez à cette forteresse baroque pour une vue panoramique sur les toits médiévaux d'Erfurt et la Thuringe.
6€. Découvrez les trésors liturgiques et l'histoire millénaire de la Cathédrale Sainte-Marie, achevée en 1496, et de l'Église Saint-Séverin.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.