Fort Laramie — The Broken Oath Conspiracy
Uncover the deadly conspiracy behind a secret oath sworn at Fort Laramie that betrayed Native treaties and sparked frontier wars. Decipher clues across historic ruins to expose the truth.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1851, amid the dusty parade grounds of Fort Laramie, a shadowy pact was forged: 'The Oath of the Platte'—a secret vow by corrupt officers and traders to undermine the Horse Creek Treaty, dooming Na
The Whispering Scrolls
In 1851, amid the dusty parade grounds of Fort Laramie, a shadowy pact was forged: 'The Oath of the Platte'—a secret vow by corrupt officers and traders to undermine the Horse Creek Treaty, dooming Native tribes to betrayal and bloodshed. Whispers of this conspiracy echoed through the barracks, but the signers vanished, their bloody ledger hidden among the fort's ruins. Was it a traitorous plot for gold or a deeper vendetta against the US Army? As the 'Grand Old Post' on the Oregon Trail, Fort Laramie witnessed treaties, skirmishes, and intrigue at the confluence of the Laramie and North Platte Rivers. Now, a cryptic map has surfaced, marked with symbols from 13 restored buildings, 11 ruins, and forgotten foundations. Track the oath's guardians through the cavalry barracks, sutler's store, and officers' quarters. Solve coded engravings, decode treaty fragments, and outwit ghostly betrayals to unearth the ledger before its curse claims another soul. The frontier's darkest secret awaits—will you break the oath or become its next victim?
« Nous sommes nés sur cette terre, et nos pères sont enterrés ici. Nous n'avons jamais pris d'autres terres, et nous ne voulons pas le faire. »— Chef Little Raven (Arapaho), Traité de Fort Laramie, 1868
The Treaties of Fort Laramie: Promises and Conflicts
Fort Laramie, initially a fur trading post, became a crucial hub in the relations between the United States and the Plains Native American nations, including the Lakota, Cheyenne, Arapaho, and Crow. The first Treaty of Fort Laramie, signed in 1851, aimed to delineate tribal territories and ensure safe passage for settlers on the Oregon Trail, in exchange for annuities. However, the gold rush, railroad construction, and continuous settler expansion quickly undermined these agreements. Divergent interpretations and the US government's lack of adherence to the terms sowed the seeds of future conflicts.
Tensions culminated with Red Cloud's War (1866-1868) and led to the second Treaty of Fort Laramie in 1868. This treaty established the Great Sioux Reservation, promising sacred lands to the Lakota and prohibiting white passage. But like its predecessor, it was violated, notably with the discovery of gold in the Black Hills in 1874. These treaties, symbols of an attempt at peace and coexistence, became bitter markers of American Indian policy, where promises were often sacrificed for the sake of expansionism.
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.
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Practical info
Why this route?
Forgotten Archives
Decipher historical documents and secret correspondences that reveal the hidden aspects of the negotiations.
On the Trail of Chiefs
Follow the path of iconic figures from the Plains nations, whose words shaped the history of the treaties.
Broken Promises
Delve into the poignant stories of broken treaties and understand the lasting impact on indigenous peoples.
Truth, even when buried, always comes to the surface.
Open-air history lesson
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.
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Your turn to play
Decipher the riddles of the past and uncover the hidden clauses that forever marked the history of Indian treaties at Fort Laramie. Your quest for truth begins 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
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