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Decipher the hidden ledger of a rogue Kuomintang general who controlled the Golden Triangle's opium empire. Uncover the conspiracy that shaped a region's fate.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the 1960s and 70s, the Golden Triangle—where Thailand, Laos, and Myanmar converge—was the world's largest opium production zone
You are a Thai special services undercover agent, operating in Chiang Rai in the late 1990s, tasked with dismantling the final remnants of the Khun Sa network.
Your investigation begins in
Delve into the Golden Triangle's remnants, where exiled Chinese legions and opium lords forged Northern Thailand's secret history.
Your immersion into the Shadow of the Opium General begins in Mae Salong Nai, a village perched at 1,300 meters, founded around 1961 by remnants of the 93rd Kuomintang (KMT) Division. These 10,000 Chinese military refugees established a strategic refuge here after 1949, in the mountains of the Golden Triangle. This unique Sino-Thai center, with its preserved Chinese architecture and dialect, was historically a poppy cultivation area. Until the 1980s, Mae Salong served as a crucial rear base for opium trafficking, controlled by General Khun Sa and local drug lords, before its conversion to tea and flower cultivation. Your mission is to decipher the initial clues left by this complex history.
Continue your investigation at Wat Santitham, a Buddhist monastery built in the 1970s by the KMT refugee community. Its architecture, a Sino-Thai fusion with yellow and red glazed tile roofs, overlooks the Mae Salong Nai valley. Historically, this monastery served as a refuge and school for refugee children, preserving Chinese culture in exile. It even hosted wandering monks fleeing China's Cultural Revolution between 1966 and 1976. This spiritual place may hide coded messages, forgotten prayers that still resonate with the secrets of the Golden Triangle's past.
Your journey then leads you to the Choui Fong Tea Plantation, established in the 1980s as a symbol of economic reconversion for the Chiang Rai region. These 2,000 rai (320 hectares) of land, once dedicated to poppies, now produce high-altitude Oolong tea, cultivated between 1,200 and 1,400 meters. This plantation received support from the Royal Project Foundation, launched by King Bhumibol Adulyadej in 1969, transforming the Golden Triangle into a model of sustainable development. Look for the marks of this transition, symbols of a fallen empire replaced by new wealth.
Descend towards Mae Sai, the border town directly opposite Shan State, Myanmar, 60 km north of Chiang Rai. Historically, Mae Sai was a major transit hub for raw opium between the 1960s and 1990s. The Mae Sai-Tachileik Bridge, inaugurated in 1986, legalized cross-border trade, but the current covered market retains the architecture of former smuggling warehouses. This site, once a major smuggling zone, is essential for understanding the drug lords' logistical networks. Your mission here is to spot clues hidden in the bustling market alleys, testimonies of a troubled past.
Your journey concludes with a deep understanding of the Golden Triangle's transformation. From the confluence of the Mekong and Ruak rivers, to the Golden Triangle Marker, erected in the 1980s as a tourist symbol, you have followed the footsteps of a territory once controlled by figures like Khun Sa. The Mekong, an opium trade axis and smuggling route, is now a tourist corridor monitored by Thai river patrols. The Opium Museum in Wiang, founded in the 1990s, documents this complex history, showcasing the methods of the United Shan State Army and Thailand's 'War on Drugs'. Finally, Chiang Saen, an ancient Lanna capital and major river port, reveals its ruins and archaeological museum, testifying to a millennium of history in this Chiang Rai region, now peaceful but whose secrets continue to resonate.
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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Explore the profound impact of opium cultivation and trafficking on the Golden Triangle region.
Uncover the ambiguous role of covert air operations, particularly by the CIA, in the conflict's logistics.
Immerse yourself in the majestic yet complex landscapes of a region at the crossroads of three nations and dark histories.
Between the shadow of the hills and the flight of cargo, the truth awaits revelation.
Uncover the untold secrets of a troubled era.
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 Golden Triangle's remnants, where exiled Chinese legions and opium lords forged Northern Thailand's secret history.
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
More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Uncover the CIA's secret Air America operations in Chiang Rai's Golden Triangle hub. Decode hidden messages at temples to expose a lost opium flight cache before shadows claim it forever.

Uncover the hidden opium network of Khun Sa in Thoed Thai. Decipher codes, track secret routes, and expose the drug lord's lost fortune before it vanishes forever.

Decipher the CIA's hidden opium network and Nugan Hand Bank's dirty money trail in the Golden Triangle. Solve coded clues at 8 shadowy landmarks to expose the conspiracy before it vanishes forever.
More destinations, tours & urban treasure hunts across the country
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Cradle of the first Thai kingdom
City of monkeys and Khmer temples
The ancient royal capital of a thousand temples
Where poignant history meets lush nature
The City of Angels, where temples meet skyscrapers
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
50 THB. Explorez les artefacts archéologiques des 80+ temples bouddhistes de Chiang Saen, datant du XIIIe siècle.
300 THB. Naviguez sur les eaux qui ont vu passer des siècles de commerce et de contrebande, transformées en corridor touristique.
Gratuit. Savourez le thé Oolong thaï primé, fruit d'une reconversion économique réussie du Triangle d'Or.
Accès libre. Flânez dans le marché frontalier, autrefois plaque tournante de la contrebande, aujourd'hui centre commercial animé.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.