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Uncover the hidden accounts of Portsmouth's Revolutionary privateers. Decipher coded entries in a lost merchant ledger to expose a conspiracy of war profiteering and smuggled fortunes.
📱 1 to 10 phones · 1 team per phone · Independent codes
Portsmouth Harbor was the beating heart of American privateering during the Revolution
You are a confidential agent for the Continental Congress, autumn 1776, in Portsmouth.
Your mission, entrusted by William Whipple, a signer of the Declaration of Independence and a maritime merchant,
Dive into the heart of Portsmouth, New Hampshire, to decipher the secrets of a privateer's ledger that shaped the maritime history of the American Revolution.
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
Your quest for the ledger begins at the Strawbery Banke Museum, an open-air museum opened in 1954 in the historic Puddle Dock neighborhood. This 10-acre site houses 40 restored buildings dating from 1695 to 1954, including the Pitt Tavern built in 1766. It is here, at the heart of the daily lives of Portsmouth's working classes from the colonial period to World War II, that you search for the first traces of the mysterious privateer. The colonial houses and maritime atmosphere of this place, a key port for trade and shipbuilding from the 17th century, immerse you in the ambiance of the era.
Nearby, the Warner House, a Georgian house built in 1714 for Archibald Macpheadris, a wealthy Scottish merchant involved in transatlantic trade, reveals further clues. This residence, designated a National Historic Landmark in 1965, is famous for its oldest colonial murals in North America, restored in 1932. It was home to merchant families who profited from privateering during the American Revolutionary War, a perfect context for a privateer. Your route then takes you to the Old North Cemetery, founded in 1716, the oldest in Portsmouth still in use. Among its more than 1100 graves, you discover those of William Whipple, a signer of the Declaration of Independence, and John Langdon, Governor of New Hampshire and builder of private ships during the Revolution. The epitaphs of captains and sailors reflect Portsmouth's maritime history, and perhaps, hidden messages.
Your investigation leads you to the John Paul Jones House, built around 1758. John Paul Jones, the father of the US Navy, resided here from 1781 to 1783 after his naval victories, including the capture of British ships. Designated a National Historic Landmark in 1973, this house is intrinsically linked to the exploits of privateers against the British, an essential place to understand your character. Next, Market Square, Portsmouth's central square since the 18th century, awaits you. The heart of the historic commercial district, it was the site of markets as early as 1695 and a gathering place during the American Revolution. Surrounded by buildings dating from 1780 to 1820, and listed on the National Register of Historic Places in 1981, it is close to the wharves where maritime trade flourished, a mandatory stop for a privateer.
Continuing your journey, you arrive at Prescott Park, a 22-acre park created in 1930 on the banks of the Piscataqua River. Named after Joshua Prescott, it offers stunning views of Portsmouth Harbor, a historic maritime hub for privateers during the colonial wars. Formerly 18th-century family gardens, this place allows you to imagine the bustling activity of the port. Your next stop is the Portsmouth Athenaeum, a library and museum founded in 1816. Its 1813 Federal-style building houses 30,000 rare volumes and a collection of maritime newspapers from 1760. Its founding members were often linked to the merchant elite involved in privateering, an ideal place to find archives. Finally, the African Burying Ground Memorial, dedicated in 2003, commemorates the African cemetery used from 1700 to 1820. This site honors the first Africans brought as slaves or sailors to Portsmouth Harbor as early as 1645, reflecting the dark maritime history of transatlantic trade and the intertwined lives of free and enslaved sailors.
By exploring these historic sites in Portsmouth, New Hampshire, you piece together the puzzle of the privateer's ledger. Each monument, from the Strawbery Banke Museum to the Portsmouth Athenaeum, brings you closer to the truth. This thematic circuit offers a deep immersion into New Hampshire's heritage, revealing little-known aspects of Portsmouth's role in the American Revolution and maritime trade. You leave the city not only with the deciphered secret of the ledger but also with an enriched understanding of Portsmouth's history, its iconic figures like John Paul Jones and William Whipple, and its status as a National Historic Landmark. An interactive tour and GPS treasure hunt that transform a simple walk into a true historical exploration.
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.
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Immerse yourself in the bustling atmosphere of Portsmouth's great colonial port, cradle of the American navy.
Follow in the footsteps of privateers and patriots who risked their lives for American independence.
Decipher hidden messages and forgotten symbols to reveal an unknown chapter of history.
The rebellious spirit of the seas
Portsmouth, cradle of liberty.
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 heart of Portsmouth, New Hampshire, to decipher the secrets of a privateer's ledger that shaped the maritime history of the American Revolution.
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 conspiracy behind the missing Portsmouth Papers, stolen after the Revolution's first naval clash. Decipher clues across historic landmarks to expose the traitor's plot before the secret is lost forever.

Uncover the Corsair submarine's hidden legacy in Portsmouth. Decode secret messages from its final voyage, outwit a Cold War conspiracy, and reveal the truth buried in the naval shadows before it's lost forever.

1777: John Paul Jones builds his corsair ship Ranger in Portsmouth. A vital cryptogram is stolen by a traitor. Recover the fragments, decipher the code, and unmask the spy before the ship sails into revolution!
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
10€. Visitez la demeure de 1758 où résida le père de l'US Navy, John Paul Jones, après ses victoires navales.
23€. Découvrez 40 bâtiments historiques de 1695 à 1954 et la vie quotidienne de Portsmouth.
Prix variés. Savourez les spécialités locales de Portsmouth, célèbre pour son histoire maritime et ses produits de la mer.
Gratuit. Découvrez les œuvres d'artistes locaux dans le cœur historique de Portsmouth, entouré de bâtiments du XVIIIe siècle.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.