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Decipher the legend of Headless Valley: track down the truth behind the decapitations, disappearances, and dark secrets hidden in the Nahanni wilderness around Fort Simpson's frontier outpost.
📱 1 to 10 phones · 1 team per phone · Independent codes
Fort Simpson, 1920s
You are Pierre Berton, the Canadian writer exploring the Nahanni Valley legends in 1949.
Your mission begins at the Deh Cho Cultural Centre, in the heart of Fort Simpson
Delve into the icy mysteries of the Headless Valley, where gold prospectors challenged the Canadian Far North and met grim fates.
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 begins at the Northern Life Museum & Cultural Centre in Fort Simpson, opened in 1978 and managed by the Fort Simpson Historical Society. Here, in downtown Fort Simpson and within walking distance of the Deh Cho Cultural Centre, you discover Indigenous artifacts and exhibits on the fur trade history, as well as early Nahanni gold prospectors from 1908. These initial stories immerse you in the context of the Northwest Territories' gold rush, laying the groundwork for the mysteries that await.
The journey then takes you to the Fort Simpson National Historic Site, built in 1804 by the North West Company and named Simpson in 1821. Recognized as a national historic site in 1969 by Parks Canada, its wooden remains bear witness to its central role in the fur trade and expeditions to the Nahanni Valley in the early 20th century. This site, located immediately near the Deh Cho Cultural Centre, enlightens you on the routes taken by explorers and prospectors like Frank and Willie McLeod.
Continue your investigation at the Fort Simpson Pioneer Cemetery, a historic burial ground dating from the 19th century. Accessible on foot about 1 km from downtown Fort Simpson, it holds the graves of pioneers and trappers from 1820 onwards. The often modest headstones tell tales of accidental deaths in the wilderness, echoing the tragic disappearances in the Nahanni Valley and preserving relics linked to the era of gold prospectors in the Far North.
Your itinerary then leads you to the RCMP Detachment Fort Simpson, the Royal Canadian Mounted Police post established in 1900. This central building in town, less than 1 km from the Deh Cho Cultural Centre, was involved in searches for those missing in Nahanni, particularly the McLeod brothers in 1908. The detachment's archives contain information on investigations conducted in Deadmen Valley and Headless Creek, offering you a glimpse into the efforts made to uncover the secrets of these feared places.
Finally, your journey concludes at the Fort Simpson Cenotaph, a commemorative monument erected in 1920 to honor soldiers who died in service. Located in downtown Fort Simpson, less than 500m from the starting point, it inscribes the military history of the Northwest Territories into the urban landscape. By concluding your investigation at the Fort Simpson Lookout, offering a panorama of the Mackenzie River and the historic fort, you gaze upon the waters that have seen so many fates, from trappers to gold prospectors heading to Nahanni, carrying with you the stories of an era when the Canadian Far North forged legends.
8 sites to explore by car within the day
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?
Get my code · 14,90€No calendar booking. Code sent immediately by email.
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Dive into Dene cosmology and discover the true beliefs about the Nahanni River
Investigate one of the most disturbing cases in Canadian history
Relive the era of prospectors in one of Canada's most remote regions
Some secrets are buried with their guardians
But rivers always remember
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 icy mysteries of the Headless Valley, where gold prospectors challenged the Canadian Far North and met grim fates.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
Accès libre. Explorez les expositions sur la culture Dehcho Dene et les arts traditionnels des Premières Nations, à côté du point de départ.
À partir de 500 $ CAN. Réservez un vol local pour admirer les Virginia Falls et la Deadmen Valley depuis les airs, une vue imprenable sur ce site UNESCO.
Prix variés. Savourez des spécialités du Nord comme le poisson frais du Mackenzie ou la viande de bison, une immersion culinaire dans les Territoires du Nord-Ouest.
Accès libre. Profitez des sentiers aménagés pour observer la faune locale et les paysages fluviaux, une activité de plein air après l'exploration urbaine de Fort Simpson.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.