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Decipher the hidden truth behind San Francisco's catastrophic 1906 earthquake and fire. Uncover suppressed evidence, conflicting testimonies, and a conspiracy to conceal the real cause of the city's destruction.
📱 1 to 10 phones · 1 team per phone · Independent codes
On April 18, 1906, San Francisco was shattered by one of America's deadliest natural disasters
On April 18, 1906, San Francisco was shattered by one of America's deadliest natural disasters. Official records blame the earthquake alone—but whispers persist of a darker truth. A network of survivors, engineers, and city officials possessed evidence that contradicted the public narrative. Some spoke of structural failures deliberately hidden. Others claimed fires were deliberately set to cover up industrial sabotage. One journalist's investigation vanished. One engineer's blueprints were burned. One widow's testimony was silenced. You have inherited fragments of their secrets: coded letters, architectural sketches, newspaper clippings marked with cryptic annotations. Your mission: walk the scarred streets of the Financial District and North Beach, visit the sites where the fire raged fiercest, and reconstruct the suppressed truth. Every landmark holds a clue. Every shadow conceals a lie. Can you expose what the city's founders worked so hard to bury?
« The great San Francisco disaster was not an earthquake but a fire, and the fire was not an act of God but an act of man. »— Jack London, "The Story of an Eyewitness," Collier's Weekly, 1906
The San Francisco earthquake of 1906, with an estimated magnitude of 7.9 on the Richter scale, was one of the most powerful in US history. It caused the San Andreas Fault to rupture for nearly 470 kilometers. However, it was not so much the initial tremors that destroyed most of the city, but the fires that followed. Broken water pipes rendered firefighters helpless, and strong winds spread the fire across dozens of neighborhoods, consuming over 25,000 buildings over 12 square kilometers.
The reconstruction of San Francisco after 1906 was a stunning testament to human resilience. Despite the near-total destruction of the city center and the displacement of over 200,000 inhabitants, the city quickly rose from its ashes. Banks, notably Amadeo Giannini's Bank of Italy (future Bank of America), played a crucial role by providing loans for reconstruction, often based on trust rather than solvency. The ingenuity and determination of the inhabitants transformed the catastrophe into an opportunity to modernize and beautify the city, which was largely rebuilt in less than a decade.
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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Delve into a journalist's secret archives to uncover hidden facts.
Journey through key sites of the disaster and reconstruction.
Discover how an entire city rose from its ashes in record time.
From dust and flames, a legend was born.
San Francisco's forgotten heroes await you.
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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Put on your detective shoes, follow in the footsteps of survivors and builders. Uncover the mysteries of a broken dawn to reveal San Francisco's incredible strength.
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 manifesto fragments scattered by Beat poets across North Beach. Decode their rebellious code before it's lost forever in San Francisco's bohemian heart.

Decipher the hidden messages of the 1967 counterculture uprising. Uncover the truth behind the Summer of Love before the movement's ideals were lost to chaos.

An old journalist's ledger reveals secret tunnels and hidden Gold Rush fortunes beneath Chinatown's streets. Decipher his clues to uncover the lost speakeasy treasure before it's gone forever.

The ghosts of Alcatraz's failed escape plans haunt the waterfront. Decode spectral clues across Fisherman's Wharf to expose the forgotten plot that still echoes from the Rock.

Uncover the hidden clues of a vanished 1849 prospector who stashed a fortune in forgotten gold amid the Gold Rush chaos. Decode his trail before rivals claim it.

Uncover the hidden conspiracy behind Harvey Milk's assassination. Decode clues from his Castro campaign HQ to expose the threats that silenced the pioneer of LGBTQ+ rights.
Where history meets the Pacific's mysteries
Heart of the California Gold Rush
Heart of the Wild West silver rush
Where time stands still in the California Gold Rush
Gold Rush echoes in a charming Victorian town
The City of Angels, where Hollywood glamour meets iconic beaches.
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
Pour approfondir l'histoire du séisme de 1906, explorez leur vaste collection d'artefacts, de photos et de témoignages directs, mentionnés dans les notes du journaliste.
Découvrez l'histoire unique de la reconstruction de Chinatown après l'incendie, et le rôle crucial de la communauté chinoise, thématique de l'acte 6.
Montez au sommet de la Coit Tower, un monument qui a survécu au séisme et au feu, offrant une vue panoramique sur la ville reconstruite et les sites traversés dans le jeu.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.