Longmen Grottoes — Wu Zetian's Seven Seals
Uncover the seven seals hidden by Empress Wu Zetian in the sacred caves. Decipher her cryptic testament to reveal a conspiracy that secured her throne amid deadly court intrigues.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 690 AD, Wu Zetian, China's sole female emperor, proclaimed her Zhou dynasty at Luoyang's Longmen Grottoes, commissioning the colossal Vairocana Buddha as her divine likeness
Longmen Grottoes — Wu Zetian's Seven Seals
You are an imperial investigator, operating covertly in Luoyang, 705 AD, as Wu Zetian's Zhou dynasty crumbles.
In 690 AD, the empress proclaimed
The Secret Prophecy of Wu Zetian
« Even mountains erode, but faith can move heavens. »— Attributed to Wu Zetian, 675 AD
Wu Zetian: an empress, a faith, an eternal legacy
Wu Zetian (624-705) was the only reigning empress of China, leaving her indelible mark on the Tang Dynasty. A fervent supporter of Buddhism, she used her power to promote this religion, funding countless monasteries and the creation of monumental Buddhist artworks. It was under her patronage that the colossal Vairocana Buddha of the Longmen Grottoes was completed in 675, a work of unprecedented magnificence, whose face is often considered an idealized portrait of the empress herself.
Although her reign was marked by ambition and sometimes political cruelty, Wu Zetian was also a visionary who understood the symbolic power and resilience of art. Her contributions to the Longmen Grottoes were not only an act of piety but also an affirmation of her power and legacy. Legends say she anticipated future turbulences and sought to leave a timeless message through art, a spiritual guide for generations facing destruction and oblivion.
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
5-10 curated sites across the territory
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 · 14,90€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
The Visionary Empress
Delve into the mind of Wu Zetian, China's only reigning empress, and her vision for the eternity of art.
Millennial Prophecy
Decipher hidden messages to uncover an ancient prophecy about the survival of Buddhist heritage.
Buddhist Art
Explore the zenith of Chinese Buddhist rock art, from majestic sculptures to secret inscriptions.
The wisdom of the ancients whispers through the ages, guiding those who listen.
A legacy carved in time.
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
Unveil Wu Zetian's secret testament, a prophecy that reveals the resilience of art and faith in the face of historical ravages.
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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