🕒 No date to pick · Code valid 1 year · Play whenever you want
Get my code
Uncover the cryptic Tulip Manuscript hidden by Pella's Dutch founders during the 1847 tulip crisis. Decode clues across landmarks to reveal their buried secret before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1847, as Pella's Dutch founders fled religious persecution in the Netherlands, they carried more than faith across the ocean—a forbidden Tulip Manuscript
You are a Pella historical society researcher, on an urgent mission to uncover the lost manuscript of Hendrik Peter Scholte, founder of Pella.
Beginning at the 1856 Scholte House,
Dive into the history of Dutch pioneers who founded Pella in 1847, transforming Iowa into America's Little Netherlands.
Pella was born in 1847 under the leadership of Hendrik Peter Scholte, a Dutch Reformed pastor who guided 800 immigrants to Iowa to escape religious persecution. His 1856 residence, built in Italian brick at 728 Washington Street, became headquarters for this American 'New Holland.' The walls of this house-museum preserve original furnishings and tell the story of families who came from the Netherlands with their traditions, wooden shoes, and Protestant faith. Scholte transformed the prairie into a city following the Dutch urban model, laying out streets around a central park.
Pella Historical Village gathers 22 historic buildings from the 1840s-1900s, including the birthplace of Wyatt Earp born in 1848. This complex recreates daily life of the first settlers: the wooden shoe workshop has perpetuated the traditional Dutch clog-making art since 1847, while period shops display agricultural and domestic tools imported from the Netherlands. The historical village testifies to the remarkable adaptation of these immigrants who preserved their cultural identity while integrating into the American Midwest landscape.
Central Park, Pella's heart since the 1900s, houses the tulip-adorned fountain symbolizing Dutch floral heritage. The sundial installed in 1991 bears the inscription 'Iowa's Little Netherlands,' official motto of this community that has celebrated the Tulip Time Festival since 1935. This central park reproduces typical Dutch city planning with geometric flower beds and radiating walkways. The Klokkenspel musical bells of Molengracht Plaza have resonated since the 1980s with their 14 mechanical figures depicting Dutch life scenes.
The Vermeer Mill, standing 65 feet tall, has dominated Pella since 2002. Built in 1923 in the Netherlands then dismantled and transported to Iowa, this operational windmill grinds grain using ancestral Dutch techniques. It constitutes the tallest working windmill in the United States and reminds us that agriculture remains the economic foundation of this colony. The First Reformed Church, erected in 1867 by Scholte's faithful, raises its 175-foot Gothic steeple above the brick houses. Its stained glass windows retrace the epic of Dutch immigration to America.
Your journey ends at Sunken Gardens, a park arranged around a giant wooden shoe-shaped pond, ultimate symbol of this Holland transplanted to Iowa. These flower gardens lead to Tuttle Cabin, the oldest construction in Marion County dating from 1843, predating even the Dutch arrival. In 135 minutes, you've retraced the living history of a community that maintained its European identity in the heart of rural America, definitively transforming Iowa's cultural landscape.
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?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Unravel the threads of a founding narrative hidden behind Pella's official records.
Explore the enduring influence of Dutch culture and traditions in Pella's architecture and gardens.
Delve into the profound religious motivations that drove the pioneers of this utopian colony.
“Seek the truth, even if it is hidden beneath the petals.”
A forgotten adage of Pella's pioneers
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.
Soyez le premier à partager votre expérience.
Did you play le manuscrit des tulipes? Check the email you received after your game to leave a verified review.
Dive into the history of Dutch pioneers who founded Pella in 1847, transforming Iowa into America's Little Netherlands.
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
More ideas for self-guided walking tours, scavenger hunts & city quests in the same city
More destinations, tours & urban treasure hunts across the country




Step back into 19th-century America
Cornish mining heritage in the American heartland
On the trail of Abraham Lincoln
Where lakes meet learning and lively culture
Where an ancient civilization once thrived
Where architecture defies the sky and the spirit vibrates.
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
20€. Accès aux 22 bâtiments historiques incluant la maison de Wyatt Earp et l'atelier de sabotier en activité depuis 1847.
8€. Gravissez les 65 pieds du plus haut moulin opérationnel des États-Unis pour une vue panoramique sur l'Iowa rural.
5-12€. Dégustez les authentiques lettres en pâte d'amande et stroopwafels dans cette boulangerie familiale fondée en 1898.
Gratuit. Assistez aux danses folkloriques en sabots et costumes traditionnels lors du festival annuel célébré depuis 1935.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.