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Uncover the hidden conspiracy behind Thomas à Kempis's forged manuscript in medieval Zwolle. Decipher clues across landmarks to expose the imitator before the trail vanishes forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadowed alleys of 15th-century Zwolle, Thomas à Kempis, the humble monk of the Brethren of the Common Life, penned his spiritual masterpiece, 'The Imitation of Christ
You are the personal archivist to Hendrik III van Schwarzburg, Lord of Zwolle, in the 14th century, tasked with retrieving a lost manuscript capable of rewriting the city's history.
Dive into the medieval secrets of Zwolle, where every stone whispers the legacy of monks and merchants who shaped Overijssel.
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 journey begins in Rodet Square, in the shadow of the Grote Kerk (Sint Michaelskerk), Zwolle's main parish church. Built between 1400 and 1525, its Gothic tower rises 68 meters, dominating Zwolle's historic center. The organs by Petrus van Oeckelen, dating from 1853, still echo with past sermons, while the scars of the 1943 fire, restored after 1945, bear witness to the resilience of this historical monument in the Netherlands. It is here, among the remnants of the past, that the first clues of your quest for Gothic heritage in Overijssel await.
Continue your visit to Zwolle to the Sassenpoort, an impressive city gate built between 1400 and 1405. At 25 meters high, this Gothic structure was the old southern entrance to the medieval ramparts. It served as a prison until 1828 before being restored in 1898 by architect H. J. J. van Gils, solidifying its place among Overijssel's monuments. Your investigation into Zwolle's history leads you through this gate, where the shadows of former prisoners and guards still seem to linger, perhaps holding a fragment of the secret you seek.
Your thematic circuit then takes you to the Broerenkerk, a church built around 1250 by the Dominican Friars. Transformed into a library in 1982, it now houses 700,000 volumes, making it the tallest library in the Netherlands with 12-meter high shelves. The 16th-century stained-glass windows, restored in 1950, filter light over centuries of knowledge. This place of learning and contemplation, an integral part of Zwolle's Gothic heritage, is a crucial step in deciphering the parchments and codes that will bring you closer to the lost manuscript.
Heading towards the Ossenmarkt, you discover the majestic Peperbus (Basiliek van Onze Lieve Vrouw ten Troost). Its tower, erected between 1486 and 1498, culminates at 75 meters, and its Gothic chapel houses 10 bells, the heaviest of which weighs 6 tons and dates from 1486. Damaged by lightning in 1580 and restored in 1900, it houses 14th-century sculptures. The Potgietersingel, an urban canal dug in 1648, lined with 17th-century houses and public gardens since 1930, offers a different perspective on Zwolle's history, connecting eras and architectures.
Finally, your exploration leads you to the Stadhuis van Zwolle, built in 1448 with its Renaissance facade added between 1600 and 1614. Its 43-meter tower, adorned with a 1550 clock, was the scene of the signing of the Peace of Zwolle in 1590, marking the end of a local religious war. The Melkmarkt, a historic milk market square since the 14th century, paved in 1920 with medieval motifs, is the vibrant heart of the city. Your treasure hunt in Zwolle will have allowed you to discover the many facets of this city, between its glorious past and its current dynamism, while solving the mystery of the manuscript and immersing yourself in the heritage of Overijssel.
This interactive route in Zwolle, ideal for a family visit, will have transported you through the ages. You leave not only with the deciphered secret of the Imitation but also with a deep knowledge of Zwolle's historical monuments, from the life stories of the Dominican Friars to the Peace of 1590. This interactive tour of Zwolle, through an outdoor augmented reality escape game, will have offered you a unique perspective on the Gothic heritage of Overijssel and the city's history, transforming every cobbled street into a living page of history.
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?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Unearth fragments of a secret Thomas a Kempis codex, carrying forgotten wisdom.
Dive into the heart of Devotio Moderna, a spiritual movement advocating personal piety.
Uncover the hidden symbols and teachings that lead to a deeper understanding.
The quest for inner truth waits for no one.
Unearth the codex and reveal the mystical secrets of Thomas a Kempis.
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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Dive into the medieval secrets of Zwolle, where every stone whispers the legacy of monks and merchants who shaped Overijssel.
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.
17€. Admirez l'architecture moderne et une collection d'art variée, du Moyen Âge à nos jours, dans un bâtiment coiffé d'un œuf.
Gratuit. Explorez les archives et expositions sur l'histoire de la province d'Overijssel et de Zwolle, un complément parfait à votre jeu de piste.
5€. Goûtez aux célèbres bonbons traditionnels de Zwolle, une spécialité sucrée fabriquée selon une recette séculaire.
15€. Détendez-vous lors d'une promenade en bateau le long des canaux de Zwolle, découvrant la ville sous un autre angle historique.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.