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Uncover the hidden codes and clandestine signals the Pilgrim Fathers used in Leiden before their daring 1620 escape to America. Decode their path through sacred sites and solve the mystery of their final farewell.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadowed alleys of Leiden's Pieterskerk neighborhood, the English Pilgrims found refuge from persecution between 1609 and 1620
You are William Bradford, a young Puritan leader in Leiden, 1620.
Your mission is to collect the final documents, gospels, and maps necessary for the transatlantic voyage, without
Delve into Leiden's cobbled alleys, where the Pilgrim Fathers secretly prepared their exodus to the New World between 1609 and 1620.
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
« Foundation and perpetual dwelling, 1653 »— Inscription on the Mierennesthofje entrance gate, 1653
Your quest begins in front of the Pieterskerk, a Gothic historical monument whose construction started in 1390. This church, with its bell tower completed in 1630, served as the main place of worship for the English Pilgrim Fathers in Leiden between 1609 and 1620. 70 meters long and capable of accommodating about 2000 people, it was restored after the 1563 fire during the Calvinist iconoclasm. It is here, under the protection of this edifice's walls, that William Brewster, a religious leader of the Pilgrims, preached and where the first collective decisions regarding their departure were made, making Leiden a birthplace of the Pilgrim Fathers.
You then enter the Kloksteeg, a narrow alley in Leiden's historic center, connecting Pieterskerkplein to the Pieterskerk. This 17th-century cobbled street, in the heart of the Pilgrim quarter, was trodden by William Bradford and John Robinson. The 17th-century facades lining this approximately 100-meter-long alley were silent witnesses to the preparations for exile. It is in the immediate vicinity of this alley that the Leiden American Pilgrim Museum, originally opened in 1997 on Beschuitsteeg, will reopen on October 15, 2025, at Kloksteeg 16a, displaying artifacts of the English Puritans.
Your journey leads you to the Universiteitsbibliotheek Leiden, founded in 1587. The main building, constructed between 1837 and 1842 with its 28-meter tower and neo-Gothic architecture, houses a collection of over 3 million volumes, including Pilgrim manuscripts, essential for understanding their theology and motivations. Although the current building post-dates their stay, the library already existed, and its collections could have been consulted by Pilgrim scholars. The site is adjacent to the Hortus Botanicus, created in 1590, offering a glimpse into Leiden's intellectual environment.
Continuing your exploration of Zuid-Holland's heritage, you discover the Mierennesthofje, a hofje (charitable courtyard) founded in 1653 by Anna de Mie, widow of Cornelis Pietersz. Rits. This complex of 18 houses for elderly women, covering about 1000 m², with its entrance gate adorned with a Latin inscription dated 1653, is a typical example of 17th-century Leiden hofje architecture. Restored in 1980, it embodies Leiden's charitable tradition, an aspect of Dutch society that offered refuge and tolerance to the Pilgrim Fathers, contrasting with the England they were fleeing.
The journey concludes along the Rapenburg, a historic canal dug in 1614 to connect the Vie and the Oude Rijn. 1.2 km long and lined with 17th-century patrician facades, it was a residence for students and professors of Leiden University since 1575. The Gravensteen, a historic building completed in 1642, former seat of the grain merchants' guild, served as a warehouse and prison in the 17th century, illustrating Leiden's economic and judicial life. This thematic circuit through Leiden's monuments, a Rijksmonument, allows you to understand the complexity of this city, which, beyond its role as a refuge, was an intellectual and commercial crossroads before the Pilgrims' great departure.
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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Reconstruct the secret logbook of a Pilgrim leader, revealing the profound reasons for their exodus.
Follow the Pilgrims' final preparations before their audacious journey to the New World.
Delve into the history of their unwavering quest for religious freedom and a new homeland.
Unwavering faith, a destiny off the beaten path.
Follow in the footsteps of those who dared to leave everything for a new promised land.
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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Delve into Leiden's cobbled alleys, where the Pilgrim Fathers secretly prepared their exodus to the New World between 1609 and 1620.
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.
12,50€. Découvrez des artefacts des Pilgrims Fathers et l'histoire de leur séjour à Leiden (1609-1620) dans ce musée fondé par Jeremy D. Bangs, réouvert le 15 octobre 2025 à Kloksteeg 16a.
8€. Explorez le plus ancien jardin botanique des Pays-Bas, créé en 1590, un havre de paix adjacent à l'Universiteitsbibliotheek.
15-20€. Découvrez Leiden sous un autre angle en naviguant sur les canaux historiques, comme le Rapenburg, bordés de demeures du XVIIe siècle.
3-5€. Goûtez à une spécialité néerlandaise fraîchement préparée sur le marché hebdomadaire de Leiden, une tradition gourmande locale.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.