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Decipher the hidden codes of Detroit's Prohibition bootleggers. Uncover the secret whiskey network that defied the law through speakeasies, distilleries, and underground tunnels in Eastern Market.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the roaring 1920s, as Prohibition gripped America, Detroit's Eastern Market became the shadowy heart of a vast bootlegging empire
You are a private investigator in Detroit, summer 1928, working a cold case.
In the roaring 1920s, as Prohibition gripped America, Detroit's Eastern Market
« La Prohibition a fait de nous un pays de buveurs clandestins. »— Al Capone
In 1920, the 18th Amendment to the US Constitution established Prohibition, banning the manufacture, sale, and transportation of alcohol. But for Detroit, this law was a poisoned gift. The city, located right on the border with Canada where alcohol was legal, became the hub of bootlegging. The Detroit River, less than a kilometer wide in some places, transformed into a liquid highway for "rum-runners" who transported beer, whiskey, and gin from Windsor, Ontario. Soon, cargoes also crossed through the brand-new tunnel and bridge.
This illegal trade, generating millions of dollars, attracted iconic figures of organized crime such as Detroit's formidable Purple Gang and even Al Capone, who extended his influence to the Motor City. Local authorities, led by men like prosecutor Frank Murphy, desperately fought an incessant flow of alcohol, corruption, and violence. The city lived a fascinating duality: the boom of Ford's automotive industry on one side, and the underground bubbling of speakeasies and illicit trades on the other, forever marking its history.
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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Delve into the archives and iconic places of Prohibition to unmask the shadowy figures.
Explore the banks of the Detroit River, a nerve center for alcohol trafficking between the United States and Canada.
Decipher hidden clues on building facades, silent witnesses to a bygone era of smuggling.
The golden age of crime, the thirst for freedom.
When Detroit defied America.
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 mystery of a sprawling bootlegging network, where the law drowned in illicit alcohol.
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
More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Uncover the Purple Gang's secret ledger hidden in Prohibition-era tunnels beneath Downtown Detroit. Decipher clues at speakeasies and bootleg sites to expose their smuggling empire before it's lost forever.

Decipher the hidden messages and untold stories behind Detroit's pivotal 1967 uprising. Uncover the truth buried in monuments, memorials, and forgotten archives across the Motor City's core.

Uncover the encrypted messages hidden in Corktown's industrial past—solve the cipher linking Ford's assembly line to a suppressed labor rebellion that nearly sparked revolution.
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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 de la Prohibition à Detroit, avec des expositions sur la Purple Gang et l'impact social de cette époque.
Explorez l'histoire maritime de la rivière Detroit, qui fut l'autoroute liquide des rum-runners, et découvrez les types de bateaux utilisés pour la contrebande.
Visitez le lieu de naissance de la Ford Model T pour contextualiser le Detroit des années folles et comprendre la vie ouvrière sous la Prohibition.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.