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Unravel the conspiracy behind the 1847 Whitman Massacre at Waiilatpu. Decode clues from mission ruins, the Great Grave, and hidden Cayuse signs to expose the true motives of betrayal and revenge that claimed 13 lives.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadow of the Walla Walla River, at the Whitman Mission established in 1836, a powder keg of cultural clash exploded on November 29, 1847
You are Peter D.
Hall, carpenter and survivor of the Whitman Massacre, in Walla Walla, November 1847, as you piece together those grim days. Your mission takes you
Delve into the troubled past of Walla Walla, Washington, tracing the footsteps of Oregon Trail pioneers and the tragic events that marked the Whitman Mission's history in 1847.
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 begins at the Whitman Mission National Historic Site, 328 Whitman Mission Rd, Walla Walla, WA 99362. It was here that Marcus and Narcissa Whitman established their Protestant mission in 1836, at the junction of the Walla Walla River and Mill Creek, aiming to convert the Cayuse people. You examine the foundations of the mission buildings, the restored millpond, and the irrigation ditch, remnants of an era of colonization and growing tensions in the Washington Territory.
Continuing your exploration of the Whitman Mission National Historic Site, you proceed to the Whitman Monument. This memorial obelisk overlooks the site from a hill, commemorating the 1847 Whitman Massacre. A short climb takes you to the summit, offering 360-degree views of the Walla Walla River Valley and the Blue Mountains, a panorama unchanged since the tragic events that claimed the lives of 13 people, including Marcus and Narcissa Whitman, on November 29, 1847.
At the base of the monument hill, you discover the 'Great Grave,' the mass grave where the 13 massacre victims rest under a marble slab. This place of remembrance recalls the fate of the survivors, about fifty people held hostage for one month and finally released on January 8, 1848, thanks to the ransom paid by the Hudson's Bay Company. The remnants of the Oregon Trail that cross the site bear witness to the pioneers' passage.
Your journey then leads you to Pioneer Park, approximately 7 miles east of the Whitman Mission in Walla Walla. This historic park is linked to the pioneer period and the Oregon Trail era, with elements that evoke colonization and mission activities. As you walk through Main Street in Walla Walla, you observe 19th-century architecture, reflecting the urban development that followed the 1847 events, which accelerated U.S. territorial expansion in the region.
The Fort Walla Walla Museum, 25 miles west of the Whitman Mission, marks the final stage of your investigation. This museum complex preserves the history of the original Hudson's Bay Company Fort Walla Walla from 1818, closely linked to the massacre events. It was here that Peter D. Hall escaped on November 30, 1847, to report the tragedy. The museum also illustrates the Hudson's Bay Company's role in ransoming the hostages, offering a comprehensive perspective on this crucial period in the history of Walla Walla and the Washington Territory.
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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Relive the pioneers' challenges and the crucial role of the Whitman Mission as a terminus.
Dive into the heart of cultural misunderstandings and territorial conflicts.
Discover how a tragic event shaped the history of Oregon and the nation.
Unravel the truth at the heart of the conflict.
The frontier is a shroud where history is woven.
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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Delve into the troubled past of Walla Walla, Washington, tracing the footsteps of Oregon Trail pioneers and the tragic events that marked the Whitman Mission's history in 1847.
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
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
12$. Explorez la collection d'artefacts pionniers et l'histoire des forts de la Hudson's Bay Company liés au Whitman Massacre 1847.
Accès libre. Visitez les fondations de la mission, le Whitman Monument et la Great Grave pour une immersion complète dans le passé de l'Oregon Trail.
Variable. Découvrez les crus locaux de la région viticole de Walla Walla, reconnue pour ses cépages Cabernet Sauvignon et Merlot.
Accès libre. Profitez de ce parc historique de Walla Walla, lié à l'héritage des pionniers et à l'ère de l'Oregon Trail.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.