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Uncover the secret cipher in Henry Wadsworth Longfellow's lost manuscript, hidden amid Portland's landmarks after the 1866 Great Fire. Decode clues to reveal a family conspiracy before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1866, the Great Fire ravaged Portland, Maine, destroying much of the city—including precious family papers from the Wadsworth-Longfellow House
You are an investigative historian, arriving in Portland, Maine, in the immediate aftermath of the 1866 Great Fire.
The fire ravaged much of the city, consuming precious family papers from the
The hidden verses of Portland's bard
« The flames were the pen and ink, and the grieving city, a poem. »— Henry Wadsworth Longfellow (apocryphal attribution)
Henry Wadsworth Longfellow, born in Portland in 1807, is one of the most famous American poets of the 19th century. His childhood home, the Wadsworth-Longfellow House, is now a museum. Although he spent much of his life in Cambridge, Massachusetts, his roots in Portland deeply influenced his work. He is notably the author of epic poems such as 'The Song of Hiawatha' and lyrical verses that shaped the American imagination.
On July 4, 1866, as Portland celebrated Independence Day, an accidental fire broke out on Commercial Street. Fueled by strong winds, it turned into a colossal blaze, the 'Great Fire of Portland', devastating nearly a third of the city, including historic districts. This event was a major catastrophe, but it also sparked a wave of national solidarity and rapid reconstruction, transforming the city into a modern metropolis.
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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Decipher the hidden verses of a lost Longfellow manuscript.
Explore the sites witnessing the Great Fire of 1866 and the reconstruction.
Dive into Portland's port history, so dear to the poet's heart.
Can words rebuild a city?
Decipher a poet's legacy and a city's resilience.
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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Embark on this literary and historical quest in the heart of Portland. The fate of Longfellow's manuscript is in your hands!
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

Decipher the hidden history of Portland's notorious Shanghai Tunnels—a network of underground passages where workers were once trapped and traded. Uncover the truth behind the city's darkest secret.

Uncover Captain Blackwood's hidden logbook revealing the smugglers' routes through Portland's shadowy waterfront. Decode clues at historic landmarks to expose the conspiracy before it's lost forever.

Decode the Crimp's hidden ledger and expose the sinister network of kidnapping and forced servitude that thrived in Portland's shadowy Shanghai Tunnels. Unravel the dark secrets before they claim another soul.

Decipher the coded architectural legacy of a visionary designer whose master plan for Portland's rebirth was deliberately erased. Uncover the conspiracy that buried his blueprints.

Uncover the secret plot behind Portland's vanished monuments. Track clues from toppled statues to expose the hidden conspiracy that shook the city in 2020.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.

Pour une immersion complète dans l'enfance du poète, explorez sa maison d'origine et découvrez des artefacts de son époque.
Situé à proximité, ce musée offre des collections qui reflètent l'histoire artistique et culturelle de la région, y compris l'époque de Longfellow.

Montez au sommet de cet emblème maritime pour une vue panoramique imprenable sur le port et la ville, essentiel pour comprendre la propagation du feu.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.