Rattanakosin — The Edict of King Mongkut
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Rattanakosin, BangkokRattanakosin — The Edict of King Mongkut
📍 Rattanakosin, Bangkok·🕐 5h – 8h·📍 ~40-60 km en voiture
🚗Roadtrip · Car needed
Also available as:HistoricalMysterySpy thrillerRomanceCinema

Rattanakosin — The Edict of King Mongkut

Decipher King Mongkut's hidden royal edicts scattered across Rattanakosin Island to uncover the secret reforms that transformed Siam from absolute monarchy to constitutional rule.

📱 1 to 10 phones · 1 team per phone · Independent codes

Difficulty
·From age 10 years
Starting point :Grand Palace (exterior)

In 1851, King Mongkut ascended the throne of Siam with a radical vision: to modernize his kingdom while preserving its sacred traditions

2–4
days at your pace
🚗
car · 5-30 km between sites

Rattanakosin — The Edict of King Mongkut

🎭Your Mission

You are a Royal Historian, secretly tasked by King Chulalongkorn in Bangkok, Siam, in 1875.

Your mission is to recover King Mongkut's lost ed

Uncover King Mongkut's secret edicts in the historic Rattanakosin quarter, birthplace of Bangkok since 1782.

The story that haunts this land

Bangkok officially emerges in 1782 when Rama I founds Rattanakosin on the eastern bank of the Chao Phraya. The Grand Palace, a 218,400 m² complex, blends traditional Thai architecture with Western influences to assert the new Chakri dynasty's power. Within the royal enclosure, Wat Phra Kaew has housed the Emerald Buddha, Thailand's sacred palladium, since that same year. No human statues are permitted in this sanctuary where young Prince Mongkut studied Buddhist texts before ascending the throne in 1851.

Wat Pho, founded in 1788 by Rama I then renovated by Rama III between 1824 and 1851, becomes Mongkut's laboratory for religious reforms. This future Rama IV deepened his knowledge of Theravada Buddhism here, preparing the edicts that would modernize monastic administration. The 46-meter-long Reclining Buddha, covered in gold leaf, witnesses this period of intensive study. Located 800 meters from the Grand Palace, this temple forms a spiritual triangle with the sacred pillar San Lak Mueang at the capital's heart.

San Lak Mueang, the founding pillar erected in 1782 during Bangkok's creation, concentrates the city's protective spirit according to Thai tradition. Rama I symbolically anchored his new capital here after Ayutthaya's fall in 1767. King Mongkut, trained in Western sciences, respected this belief while modernizing Rattanakosin's administration. His administrative reforms, documented in royal archives, transformed traditional governance into a bureaucratic system inspired by European models observed during his correspondence with colonial powers.

Phra Sumen Fort, an octagonal fortress built in 1783 to defend Rattanakosin island, illustrates Rama I's military strategy. Located at the confluence of the Chao Phraya and Khlong Banglamphu, this bastion protected the new capital from Burmese invasions. Wat Ratchapradit, founded in 1846 by Rama III three years before Mongkut's accession, reflects the architectural evolution accompanying Buddhist reforms. These edifices testify to dynastic continuity between Rama III and his reformist successor.

Your archivist mission reveals how Mongkut transformed Siam into a modern power while preserving Rattanakosin's spiritual heritage. Between 1851 and 1868, his edicts abolished slavery, modernized education, and opened the kingdom to Western influences without losing its Buddhist identity. The Rattanakosin Exhibition Hall, a museum dedicated to this period, preserves original documents of these reforms. You leave with intimate understanding of a royal revolution that shaped contemporary Thailand, inscribed in every temple and monument of Bangkok's historic quarter.

1824
Mongkut enters monastic life, dedicating decades to the study of Buddhism.
1851
Coronation of Mongkut as King Rama IV, marking the beginning of his reformist reign.
1868
Death of King Mongkut, leaving a legacy of modernization and political balance.

How does it work?

🏛️
Outdoor escape game

Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.

📱
On your smartphone

No app to download. Play directly from your browser. Guided step by step, at your own pace.

👨‍👩‍👧‍👦
Unlimited players

One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.

🎯
Augmented reality

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.

🤖
AI that helps you

Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.

🗣️
32 languages

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

Bangkok National Museumoptional
200 THB. Largest Thai art collection with personal objects of Chakri kings and manuscripts from Mongkut era.
Optionnel
/pers.
Vimanmek Palaceoptional
150 THB. World's largest golden teak building, residence of King Rama V, Mongkut's son, with intact period furniture.
Optionnel
/pers.
Royal dinner at Sala Rim Naamoptional
2800 THB. Thai royal cuisine in pavilion facing Wat Arun, with classical Khmer dance show practiced at Mongkut's court.
Optionnel
/pers.
Royal cruise on Chao Phrayaoptional
1200 THB. Traditional barge navigation on the exact route used by Mongkut for official visits between palaces and temples.
Optionnel
/pers.
Budget if you do them all / pers.~0

The Route

5-10 curated sites across the territory

The gameplay: AR, camera, hidden clues

📱Search clues with your cameraRA

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.

8
original puzzles
24
min of narration
🪙 24
TripCoins granted
16
GPS waypoints

How does it work with a group?

One phone = one team. Pick the number at checkout (1 to 10).

🧍
1 phone

Solo, or a group sharing the screen. One team, one code.

👥
2-3 phones

Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.

👨‍👩‍👧‍👦
4 to 10 phones

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.
🕒No date to pick · Code valid 1 year · Play whenever you want

Ready to live this adventure?

Get my code · 14,90€

No calendar booking. Code sent immediately by email.

🔒 Secure payment · Code in 5 min · Free cancellation

Practical info

Starting point
Grand Palace (exterior)
Directions on Google Maps
🕐
Duration
2h – 2h30
At your own pace
👥
Players
Unlimited
From age 10
📍
Distance
~2.5 km
Rattanakosin
Accessibility
Partial
Uneven pavements
🌐
Languages
17 languages
Built-in translation

Why this route?

📖

Royal Scholarship

Follow in the footsteps of a scholar-king who merged tradition and science to modernize his kingdom.

🧘‍♀️

Monastic Wisdom

Delve into the reform of Siamese Buddhism and the influence of monks on politics.

👑

Chakri Dynasty

Discover the foundations of divine royal power and its preservation in the face of modern challenges.

Decipher the secret plan of a visionary king for his kingdom.

Between monk and monarch, Mongkut charted a unique path.

★ Innovation 2026

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

Uncover King Mongkut's secret edicts in the historic Rattanakosin quarter, birthplace of Bangkok since 1782.

14,90€
1 phone
28,60€
2 phones
41€
3 phones
52,20€
4 phones
62,10€
5 phones
69,50€
6 phones
77€
7 phones
84,40€
8 phones
91,90€
9 phones
99,30€
10 phones

1 purchase = 1 phone. Play several on the same device.

🕒No date to pick · Code valid 1 year · Play whenever you want
Get my code · 14,90€

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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