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Decipher a 19th-century trapper's encrypted map hidden in Jackson's frontier landmarks to locate a legendary fur-trade fortune before rival hunters claim it.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1847, the legendary trapper Jean-Baptiste Gervais vanished into the Jackson Hole wilderness with a fortune in beaver pelts and a coded journal
In 1847, the legendary trapper Jean-Baptiste Gervais vanished into the Jackson Hole wilderness with a fortune in beaver pelts and a coded journal. For nearly 180 years, his cache remained hidden—until fragments of his cipher surfaced in the town's oldest buildings. Local historians believe the key to finding Gervais's treasure lies scattered across eight historic sites in Jackson's downtown core: the saloons where fur traders once haggled, the trading posts that supplied expeditions, and the graves of mountain men who knew his secrets. You have one evening to piece together the cryptic symbols, decode the trapper's route, and uncover where Gervais buried his wealth before a rival expedition arrives at dawn. Every landmark holds a clue; every riddle brings you closer to the truth—and to fortune.
« A region of savage sublimity. »— Washington Irving, Astoria (1836), describing the Rocky Mountains.
The Jackson Hole valley, nestled at the foot of the imposing Tetons, was discovered by American explorers in the early 19th century. The first Westerner to set foot there was John Colter in 1807-1808, a former member of the Lewis and Clark expedition, who traversed the region during his solitary exploration. The valley quickly became a hub for the fur trade, attracting "mountain men" like David Jackson, who gave his name to the area in 1829. These trappers, iconic figures of the American West, spent months, even years, in the solitude of the mountains, hunting beaver and trading their furs at large annual rendezvous.
These rugged and independent men blazed the first trails and established the first camps in a hostile yet magnificent environment. Their stories, often unwritten, are filled with adventures, discoveries, and survival against wild nature and indigenous tribes. The heyday of the fur trade ended around the 1840s, as beaver became scarce and silk hats replaced beaver felt hats. However, the legacy of these pioneers endures, embodied by place names, the trails they trod, and the untamed spirit that continues to define Wyoming.
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?
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Explore the natural habitats that sustained trappers and wildlife, from beaver to elk.
Relive the era of mountain men, pioneers, and early Wyoming settlers.
Admire the spectacular beauty of the Rocky Mountains surrounding the Jackson Hole valley.
The past of the mountain men awaits discovery.
Uncover the legacy of a wild and magnificent era.
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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Unravel the trappers' secret and find the hidden treasure of Jackson Hole!
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
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More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Uncover the hidden network behind Medgar Evers' 1963 assassination in Jackson. Decode clues across civil rights landmarks to expose the killers' escape routes and secret allies before justice slips away forever.

Uncover the hidden network that shielded Medgar Evers' assassin. Decode clues across civil rights landmarks to expose the conspiracy that delayed justice for 31 years.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
Pour approfondir l'histoire des trappeurs, leurs outils et leurs vies, visitez l'intérieur du musée pour des expositions détaillées liées aux actes 2 et 3.
Situé à quelques minutes de voiture, ce musée offre une collection exceptionnelle d'œuvres d'art célébrant la faune qui était au cœur de l'activité des trappeurs, en lien avec l'acte 5.
Pour explorer de près la majesté des Tetons qui ont dominé le paysage des trappeurs, prolongez votre aventure dans le parc national, en lien avec l'ambiance de l'acte 8.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.