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Decipher Frans Hals's cryptic group portraits to expose a conspiracy of power among Haarlem's elite regents. Uncover the secrets hidden in paint and shadow.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1664, Frans Hals, the aging master of Dutch portraiture, painted the Regents of the Old People's Home—five austere figures whose cold gazes seemed to conceal far more than charity
You are a young archivist, commissioned in 17th-century Haarlem by Frans Hals' workshop to reconstruct the painter's secret testimony concerning the Regents' conspiracy.
Your quest begins in the
Delve into the heart of Haarlem, a prosperous city of the Dutch Golden Age, and unmask a conspiracy threatening the legacy of master Frans Hals.
« Truth conquers force »— Historical motto of the city of Haarlem, related to the Resistance of 1573
Your investigation begins in the Grote Markt, Haarlem's public and commercial epicenter since the 13th century. Around you, 16th and 17th-century buildings bear witness to the opulence of the Dutch Golden Age. It is here, facing the majestic Grote Kerk, that you receive your first mission: to decode the hidden symbols in the late Gothic architecture of this church, completed in 1532. Its proportions, with a main nave approximately 35 meters high, and its monumental Christiaan Müller organ, built in 1738, were the setting for services attended by Haarlem's regent elites, whose secrets are at the heart of your quest.
Continuing your journey through Haarlem, you discover the Vleeshal, the Meat Hall, a Renaissance edifice designed by architect Lieven de Key in 1603. Its three arched bays and characteristic Northern style once housed a covered market, tightly controlled by the regents and bakers' guilds. Your path then leads to the Stadhuis, the City Hall, built between 1630 and 1633. This Dutch Renaissance-style building, adorned with justice sculptures, was the seat of municipal administrative power where the regents held their assemblies, and where crucial clues about their influence might be hidden.
The climax of your investigation in Noord-Holland leads you to the Frans Hals Museum, housed since 1913 in the Oudemannenhuis, a 17th-century almshouse. This museum holds the world's largest collection of paintings by Frans Hals (1580-1666). It is here that 'The Regents' (1664) and 'The Regentesses' (1665) are exhibited, group portraits measuring 210 x 290 cm that are key to your journey. These paintings depict the administrators of the almshouse, and it is through their gazes that Hals is believed to have left his hidden testimony about the Haarlem regents' conspiracy.
Your exploration of the Dutch Renaissance heritage then takes you to the Hofje van Staats, an inner courtyard founded in 1617 by Laurens Janszoon van Staats, a prosperous regent. This complex of small houses, intended for widows and elderly people without resources, is a preserved example of Golden Age charitable institutions. Although charitable, this hofje was a work of the regents, whose motives were not always disinterested. Finally, you reach the Molen de Adriaan, a windmill built in 1778, restored in 1998, which overlooks the Spaarne river, a major commercial artery where the regents controlled transport and customs.
By completing your historical scavenger hunt along the quays of the Spaarne, a historic river that powered Haarlem's mills and was a vital commercial artery during the Golden Age, you will have unraveled the threads of the conspiracy. The 16th-17th century merchant buildings lining the quays, as well as the Amsterdamse Poort bridge, a fortified point controlled by urban authorities, will have revealed their secrets. This thematic circuit in Haarlem will have allowed you to delve into the city's history, understand the role of the regents and Frans Hals, and discover the Renaissance heritage of the Netherlands, making for an unforgettable interactive visit to Haarlem for the whole family.
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.
The game downloads to your phone on start. Once the "✓ Downloaded" indicator appears, everything works without data — narration, AR, GPS and puzzles. Perfect abroad without a data plan.
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?
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Immerse yourself in the fascinating world of Dutch Golden Age master painters and the mysteries of their art.
Explore the rules, rivalries, and secrets that the powerful artists' guilds of the era carefully guarded.
Follow the footsteps of a master painter through historic Haarlem locations to solve a centuries-old enigma.
Uncover the secret threatening Frans Hals's legacy!
Haarlem, 1665: Time is running out for the master.
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.
Outdoor escape game format: no physical locks, no actor, no fixed time slot. You start when you want, progress through Haarlem, Noord-Holland with your phone, and the city itself is the set. More immersive on local history, more flexible in pace.
Of course. Stop at a café, have lunch, resume later: your progress is saved. Many players bake a meal break into the trail, especially with families.
Yes — it's actually one of our main use cases. Outdoor escape game format, teams of 4 to 6, live ranking possible between groups. For companies above 12 participants, contact us: we can issue linked codes.
Depends on the exact route in Haarlem, Noord-Holland. The vast majority of stops are downtown, on sidewalks or squares. If a stair or narrow passage is involved, it's flagged on the product page. Generally: yes, doable with a standard urban stroller.
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Delve into the heart of Haarlem, a prosperous city of the Dutch Golden Age, and unmask a conspiracy threatening the legacy of master Frans Hals.
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.
17,50€. Admirez 'Les Régents' et 'Les Régentesses' de Frans Hals, des portraits monumentaux reflétant le pouvoir des administrateurs du XVIIe siècle à Haarlem.
Accès libre. Explorez l'architecture gothique tardive de cette église achevée en 1532 et son orgue monumental de Christiaan Müller de 1738, un chef-d'œuvre de l'Âge d'Or.
Prix variés. Goûtez des bières artisanales locales dans un cadre historique, une immersion dans la culture brassicole de Haarlem qui remonte au Moyen Âge.
6€. Visitez ce moulin à vent emblématique de 1778, restauré en 1998, offrant une vue imprenable sur la Spaarne et le centre historique de Haarlem.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.