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Decipher John Sutter's forgotten ledger hidden within Sutter's Fort and Midtown Sacramento. Uncover the dark secrets of his gold rush empire, lost fortunes, and betrayals that shaped California.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1848, John Sutter's empire crumbled when gold was discovered on his land at Sutter's Mill, sparking the California Gold Rush
You are a California Land Service archivist in Sacramento, 1850, tasked with finding John Sutter's missing ledger that could unlock crucial property titles.
Your mission begins in the heart of
Dive into the tumult of the California Gold Rush, on the lands where John Sutter founded his ephemeral empire in Sacramento.
Your investigation begins at Sutter's Fort State Historic Park, restored to its 1846 appearance and located in Midtown Sacramento. This California historic landmark was the nerve center of the first permanent European settlement in California's Central Valley, from 1839 to 1849. Exploring its functional workshops – the blacksmith's forge, cooperage, bakery, and even the prison – you search for the first traces of the missing ledger. Daily costumed reenactments, from Memorial Day to Labor Day, bring this Californian colonial heritage to life, offering a glimpse into the challenges faced by John Sutter on his Mexican concession of 'New Helvetia' before the 1849 Gold Rush.
Just 0.8 km on foot from the fort, the California State Capitol Park confronts you with Sacramento's political evolution. Built between 1860 and 1874 in Italian Renaissance style, with a 64-meter high dome, this edifice has been the seat of California's government since 1874. It marks the transition from a pioneer era to a structured state administration. Here, you look for official documents that might have intersected with John Sutter's affairs, or decrees that sealed the fate of his lands. The contrast between the rustic fort and the grandeur of the Capitol illustrates the rapid transformation of the region after James Marshall's discovery of gold.
Your journey then takes you to the Old Sacramento Waterfront, about 1.2 km from the fort, along the Sacramento River. This restored historic district was the major commercial and port center of the 1849-1850 Gold Rush. Preserved period buildings, dating from the 1850s-1860s, include original warehouses and businesses, testifying to the effervescence of this period. In this place teeming with stories of fortune and decline, you examine the docks and facades, imagining ships unloading their cargo and miners flocking. Your search for the ledger leads you to explore the nooks and crannies of this neighborhood, where every stone could hold a clue to the fate of Sutter's lands.
Continue your investigation at the Leland Stanford Mansion State Historic Park, an 1857 residence located 1.4 km from the fort. This home of Leland Stanford, Governor of California from 1862 to 1863, is a major architectural example of the Italianate Revival style, emblematic of post-Gold Rush prosperity. Stanford, an influential political figure and businessman, represents Sacramento's economic transition from fur trade and agriculture to the railroad industry. In this opulent residence, you explore the connections between California's influential figures and the fate of Sutter's vast concessions, searching for correspondence or legal documents that could shed light on the disappearance of the precious ledger.
Your quest for Sutter's lost ledger has led you through a changing Sacramento. From Sutter's Fort State Historic Park, the cradle of European colonization, to the administrative and commercial buildings of the Gold Rush era, you have retraced the journey of a city shaped by ambition and fortune. This Sacramento scavenger hunt allowed you to explore Californian colonial heritage and the history of Sacramento, incorporating elements from the Nisenan people at the State Indian Museum and the artistic legacy of the Crocker Art Museum. By solving the enigma, you will have not only found an essential document but also understood the forces that transformed California and left their mark on Sacramento's urban landscape, a historic California monument in its own right.
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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Follow the footsteps of the Gold Rush and uncover its paradoxical impact on John Sutter and the region.
Admire the majestic architecture of government buildings and Sacramento's evolution as a capital.
Unravel a century-old mystery by piecing together fragments of a forgotten ledger.
Gold was just the beginning.
The true legacy lies in the foundations.
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 tumult of the California Gold Rush, on the lands where John Sutter founded his ephemeral empire in Sacramento.
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.
Variable. À seulement une heure de route de Sacramento, découvrez les cépages Zinfandel dans cette région viticole historique.

Gratuit. Traversez ce pont suspendu de 1935, peint en vert-or, offrant une vue sur le fleuve Sacramento et le lien moderne entre Sacramento et Yolo County.

5$. Explorez l'histoire des peuples Nisenan, occupants immémoriaux du territoire, à proximité immédiate de Sutter's Fort.

15$. Le plus ancien musée d'art à l'ouest du Mississippi, fondé en 1885 par Margaret Crocker, abritant des collections de la richesse accumulée après la ruée vers l'or.
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