Baker City — The Lost Ledger
Decipher the lost ledger of a doomed Oregon Trail pioneer hidden among Baker City's historic facades. Outwit a ruthless conspiracy to expose the secret that saved—or doomed—an entire wagon train.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1865, amid the frenzy of Baker City's gold rush boom, pioneer Josiah Hargrove arrived on the Oregon Trail with a ledger detailing a catastrophic betrayal
Following the footsteps of Oregon Trail pioneers
In 1865, amid the frenzy of Baker City's gold rush boom, pioneer Josiah Hargrove arrived on the Oregon Trail with a ledger detailing a catastrophic betrayal. His wagon train vanished in the Blue Mountains, but whispers persist of a hidden fortune and a murder plot among the settlers. Hargrove's cryptic final entry—a code naming traitors and treasure—vanished, dooming his family's legacy to obscurity. Now, descendants claim the ledger resurfaces, its secrets buried in the district's stone and brick relics. The Baker Historic District, with over 130 National Register buildings from the 1880s-1915, holds the key. From the Alfred Block to the Antlers Hotel, Geiser Grand, City Hall, County Courthouse, former Post Office, Roman Catholic Cathedral, and Episcopal Church, every facade whispers clues. Track the pioneer's path through this walkable Victorian streetscape, decoding symbols etched in time. Solve the cipher before a shadowy cabal silences the truth forever—uncover the ledger and rewrite history.
« Every bend in the trail held both promise and peril, a testament to the unwavering spirit of those who sought a new horizon. »— Anonymous Pioneer Journal, 1850
Baker City: Queen of the Mines and Gateway to the Oregon Trail
The Oregon Trail, a 2,000-mile migratory route, witnessed hundreds of thousands of pioneers pass through between the 1840s and 1860s, all in search of fertile land, fortune, or a new life in the American West. The Baker County region, with its rivers and mountains, was a crucial and often perilous stage of this epic journey. The discovery of gold in Auburn in 1861, just a few miles from present-day Baker City, radically transformed the landscape and attracted thousands of miners, merchants, and adventurers.
Baker City, officially founded in 1862, quickly became the nerve center of Eastern Oregon's gold rush, earning the moniker 'Queen of the Mines.' It served as a vital supply point for miners and settlers, offering banks, lavish hotels, and all kinds of businesses. The Victorian and Art Deco architecture of its buildings still bears witness to this period of prosperity and expansion, where dreams of gold mingled with the perseverance of pioneers.
A game, a guided tour and a heritage guide — all in one
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. »
How does it work?
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.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The Route
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.
How does it work with a group?
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.
- ✓All codes are independent — play at the same time OR separately, each team advances at its own pace.
- ✓Leaderboard between your teams + global game leaderboard — each score appears in the public ranking.
- ✓More than 10 phones or need a personalized quest? Discover custom tours.
Ready to live this adventure?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Pioneer's Path
Explore Baker City's historic streets, once a vital stop on the Oregon Trail and a gold rush hub.
Coded Ledger
Decipher the riddles left by an old pioneer merchant to reveal the location of a secret cache.
Gold Rush Legacy
Discover the gold rush's influence on the development and fortunes of Baker City's early inhabitants.
The spirit of the Old West awaits you.
Will you rise to the pioneer challenge and save the wagon train?
9 features nobody else has
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
AR treasure chest
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
AR narrator character
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.
Magic golden letters
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Written + audio narration
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.
360° radar + vibration
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Heritage storytelling
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
Progressive AI hints
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
AR selfie memento
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
Zero app to install
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
Frequently asked questions
Q01Do I need to download an app?
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.
Q02Does it work offline?
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
Q03How long does a game take?
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.
Q04What happens if I'm stuck?
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).
Q05What's the age range?
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Q06What if my city isn't in the catalogue?
Pre-register or contact us — we'll email you as soon as your city is live.
Q07What is augmented reality exactly?
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.
Avis des aventuriers
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Your turn to play
Unravel the mystery of the lost ledger and reveal the secrets of the Oregon Trail. Your adventure starts now!
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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