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Uncover the hidden conspiracy behind the Whispers of the Past: coded messages from 17th-century Huguenots that echo through Le Marais' ancient stones. Decipher clues at haunted landmarks to expose the silenced truth before the shadows claim it forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadowy heart of Le Marais, during the turbulent 17th century, Huguenot rebels whispered forbidden secrets through the walls of their hidden enclaves
You are a royal archivist in King Henri IV's court, Paris, 1607, tasked with thwarting a conspiracy threatening the kingdom's stability.
Your mission begins at Place
Dive into the heart of Paris, where ancient cobblestones still whisper tales of conspiracies and revolutions that shaped French history.
« Fluctuat nec mergitur »— Official motto of Paris, Official motto of the City of Paris
Your quest begins at Place Dauphine, a triangular enclave developed in 1607 by Henri IV. This spot, named in honor of his son, the Dauphin Louis, was entirely rebuilt after the 1660 fire, maintaining its uniform stone and slate facades. In the 17th century, Place Dauphine was a hub for political gatherings, especially during the Fronde of 1648-1653, where the whispers of conspirators mingled with popular clamor. As a royal archivist, you know that secrets are often exchanged where crowds are densest, and this square is an ideal vantage point to thwart betrayals threatening the crown of France.
Crossing the Île de la Cité, the birthplace of Paris and occupied by the Parisii from the 3rd century BCE, you reach the Conciergerie. This former 14th-century royal palace, transformed into a state prison during the French Revolution, saw many political conspirators, including Robespierre in 1794. Marie-Antoinette was imprisoned here from August 2 to October 16, 1793, before her execution. The Hall of the Men-at-Arms, 64 meters long, is the largest civilian hall of the Middle Ages in France and still echoes with the footsteps of those detained there. The island, seat of royal and religious power, was also the hotbed of the Amboise Conspiracy in 1560, planned by exiled nobles, proving that plots have always found fertile ground in the heart of the French capital.
Your itinerary then leads you to the Tour Saint-Jacques, the sole remnant of the Saint-Jacques-la-Boucherie church, built between 1509 and 1523. This 54-meter-high tower, in flamboyant Gothic style adorned with gargoyles and chimeras, was a crucial starting point for pilgrimages to Santiago de Compostela. In 1648, Blaise Pascal used it as a scientific observatory for his barometric experiments. For your mission, the Tour Saint-Jacques offers a high perspective over the rooftops of Paris, an advantage for spotting coded signals or secret messages exchanged between rival factions. Pilgrims and scholars walked this ground, but spies also found their use for it, utilizing its height for surveillance.
Towards the Place de l'Hôtel de Ville, formerly Place de Grève, you cross a place that has been the center of Parisian political life since the 12th century. The scene of public executions and revolutionary gatherings between 1789 and 1794, this square is a silent witness to popular angers. The current Hôtel de Ville, built between 1874 and 1882 in Renaissance style, was the setting for the Paris Commune in 1871 and numerous insurrections. As an archivist, you know that crowds can be manipulated, and the Place de l'Hôtel de Ville is where conspiracies sometimes take on a public and bloody dimension, a constant reminder of the fragility of royal power in Paris and Île-de-France.
Your journey concludes at Place des Vosges, built between 1605 and 1612 under Henri IV. Formerly Place Royale, its 36 brick and stone pavilions housed major political figures such as Cardinal de Richelieu and Madame de Sévigné. This 140-meter-sided square was a popular spot for duels and clandestine meetings between political conspirators in the 17th century. You have navigated through the rumors and secrets of historical Paris, from the walls of Notre-Dame de Paris, whose construction began in 1163, to the arches of Pont Neuf, the oldest bridge in Paris built between 1578 and 1604. You carry with you the awareness that, under Paris's motto, "Fluctuat nec mergitur," the city has always withstood storms, but its foundations are constantly threatened by the "Whispers of the Past Conspiracy."
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
5-10 curated sites across the territory
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.
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Explore forgotten tales and haunted places in Paris, where the past refuses to die.
Decipher historical enigmas to reveal an ancient invocation and its secrets.
Uncover architectural details and inscriptions that bear witness to an often-hidden history.
The past is never truly dead, it just sleeps. And sometimes, it wakes up.
A journey into the heart of Paris's darkest legends.
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 heart of Paris, where ancient cobblestones still whisper tales of conspiracies and revolutions that shaped French 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
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.

11,50€. Explorez les cellules de Marie-Antoinette et les salles médiévales de cet ancien palais royal, classé Monument historique.
9€. Descendez sous le parvis de Notre-Dame pour découvrir les vestiges gallo-romains et médiévaux de Paris, un site UNESCO Patrimoine mondial.
25€. Suivez un guide expert pour explorer les lieux clés de la Révolution française, incluant la Place de l'Hôtel de Ville et la Conciergerie.

Variable. Savourez des macarons artisanaux dans l'une des boutiques historiques de la Place des Vosges, construite sous Henri IV.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.