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Uncover the pioneers' secret plan hidden by the Rimrock sentinels. Decode clues across historic landmarks to expose their hidden agenda before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1882, Billings' pioneers arrived in the wild Montana frontier, building a booming railroad town under the watchful gaze of the Rimrock cliffs
You are Frederick Whittaker, a railroad engineer turned mayor, walking the streets of Billings in 1903.
Your mission: document the rise of this new city, born from the railway'
Explore Billings, Montana's "Magic City," where ancient Rimrocks cliffs watch over a history forged by rail and pioneer spirit.
Your journey begins at the Northern Pacific Depot, built in 1903, the main station of the Northern Pacific Railway. This site, located at 2400 Montana Ave, is the arrival point that founded Billings in 1882, when the railway company laid its tracks. Admire its Renaissance architecture with its towers and clock, restored in 1987 to become a welcome and event center. It is here that the history of the "Magic City" takes root, marking the beginning of your exploration of the Billings Historic District and its inscription on the National Register of Historic Places.
Continue to the Western Heritage Center, housed since 1976 in the former municipal library built in 1915. This museum, near the Depot, is an essential stop to understand the history of southeastern Montana. Its collections include artifacts from indigenous peoples and pioneers, offering insight into the forces that shaped this land. As an explorer, you will find clues here about the challenges and triumphs of Billings' early inhabitants, before heading to the heights.
Your itinerary then leads you to Pioneer Park, a historic park that preserves a sandstone block wall salvaged from the East Montana State Prison, destroyed in 1933. These blocks were extracted from the Heffner quarry, nestled in the Rimrocks. The park, west of downtown, is accessible on foot from the Depot via historic routes. It embodies Billings' resilience and ability to reuse its past, symbolizing the transformation of natural resources into elements of urban heritage.
The ascent to Swords Park offers an iconic view of the Rimrocks and the city. This is where the memorial to Frederick Whittaker, who died in 1929 and is buried on the Rimrocks, is located. The park's development is due to the efforts of Mayor Bill Cole, who wished to honor local history. From the top of these sandstone cliffs, formed over a million years ago by the erosion of the Yellowstone River, you contemplate the geological sentinels of Billings. You imagine the 1,800-foot irrigation tunnel dug in 1903 for the Billings Bench Water Association, an engineering feat that transformed the region.
As you complete your thematic circuit, you will have not only walked the streets of Billings and its historic sites but also touched upon the spirit of those who built this city. From the arrival of the Northern Pacific Railway to the engineering of the Rimrocks, each step has revealed a facet of its identity. This scavenger hunt in Billings offers you a unique perspective on Montana's heritage, inviting you to discover its monuments and gain a deep understanding of its development, while soaking in the unique atmosphere of the Rimrocks Trail.
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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Discover Billings' iconic cliffs, silent witnesses to its natural and human history.
Immerse yourself in the golden age of cattle and railroads that shaped the 'Magic City'.
Reconstruct the founding vision of Billings, a secret plan for the city's future.
Billings: Where the cliffs whisper legends of the Wild West.
Uncover secrets carved in stone and the history of the stockyards.
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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Explore Billings, Montana's "Magic City," where ancient Rimrocks cliffs watch over a history forged by rail and pioneer spirit.
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
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.

Accès libre. Explorez cette ancienne gare ferroviaire de 1903, un monument architectural du Downtown Billings.

Environ 5$. Visitez ce musée installé dans l'ancienne bibliothèque de 1915 pour découvrir l'histoire du sud-est du Montana.
Prix variés. Goûtez des bières artisanales locales, reflet de la nouvelle vitalité de Billings, la « Magic City ».
Accès libre. Profitez des sentiers du Rimrocks Trail pour des vues panoramiques sur Billings et la Yellowstone River.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.