Yamate Bluff — Uncover the Humiliation Plot
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Yamate Bluff, Yokohama, JapanYamate Bluff — Uncover the Humiliation Plot
📍 Yamate Bluff, Yokohama, Japan·🕐 2h30 – 3h·📍 ~3 km
Also available as:HistoricalMysterySpy thrillerRomanceCinema

Yamate Bluff — Uncover the Humiliation Plot

Uncover the hidden codes left by humiliated foreigners in Yamate Bluff after unequal treaties forced Japan open. Decode their secret resistance plot across 8 historic sites to expose the truth.

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

Difficulty
·From age 14 years
Starting point :Main entrance of Yokohama Park

In 1854, Commodore Perry's black ships forced Japan to sign unequal treaties, opening Yokohama's ports to foreign trade and residence

8
stages
~3 km
route
2h30 – 3h
at your pace
🚶
walking

Yamate Bluff — Uncover the Humiliation Plot

🎭Your Mission

You are Ernest Satow, a young British diplomat arriving in Yamate in 1862, and you must thwart an insidious plot threatening Yokohama's fragile balance.

Your mission will

Dive into Meiji-era Yokohama, where Japan's opening to the world forged a unique destiny for the Kanto prefecture.

The story that haunts this land

Your investigation begins at Yamashita Park, a coastal park inaugurated in 1931 on reclaimed land from Yokohama Port. This promenade, planted with 400 cherry trees, is your main entry point, close to the historic quays opened in 1859. It is here that you meet a contact who puts you on the trail of the first rumors of a plot. You discover the Indian Water Guard Statue, erected in 1958, commemorating the Indian firefighters during the Great Kanto Earthquake of 1923, an event that profoundly marked the city of Yokohama and its inhabitants.

Proceed to the Yamate Foreign General Cemetery, a cemetery created in 1854 for foreigners who died in Yokohama after the Treaty of Kanagawa. This site, located in the Yamate (Bluff) district, houses over 500 graves of various nationalities, including British and American, bearing witness to the history of foreign concessions and the beginning of the Meiji era. Open to the public since 1871, this 2-hectare site, with memorial monuments dating from the 1860s, is a key testament to the tensions and alliances of the time.

Your path then leads you to Motomachi Shopping Street, a historic commercial street opened in 1860, right after the arrival of the first foreigners in Yokohama. Lined with Western-style buildings from the 1870s-1920s, this street was the center of the foreign residential quarter. Shops here introduced European fashions as early as 1872. Approximately 1 km long, it connects Yamate to Yamashita Park, and became a pedestrian zone in the 1980s, an ideal place to observe Western influences in Kanto.

Explore Yokohama Chinatown, the largest Chinatown in Japan, founded in 1863 by Chinese immigrants after the port's opening. This district, covering 0.8 km² with 6000 residents in 2020, is a vital cultural crossroads. Near Yamate via Yamashita Park, it includes Yokohama Kanteibyo, a Confucian temple rebuilt in 1960, whose origin dates back to 1872. The Gate of Peace (Heiwa no Mon), built in 1989 and 18 m high, symbolizes the resilience and integration of this community in Yokohama.

Finally, your journey concludes near the Osanbashi Yokohama International Passenger Terminal, a historic pier rebuilt in 2002, and the Port Opening Memorial Hall. Osanbashi, 600 m long, is linked to the port's opening in 1859 and the arrival of the first foreign ships. The Memorial Hall, a Neo-Renaissance building from 1917, has been a museum since 1965, commemorating the 1854 treaty and exhibiting artifacts from the Bakumatsu era. It is here, in the heart of the Naka-ku district, that you gather the last pieces of the puzzle, understanding the scope of the Yokohama Port Opening 1859 and the crucial role of the Kanto prefecture in Japan's history.

1853
Matthew Perry and his 'Black Ships' arrive in Uraga.
1858
Signing of the Treaty of Amity and Commerce with the United States, reinforcing the forced opening.
1860
Assassination of Ii Naosuke, Taïrō of the Shogunate, a symbol of growing tensions.
Far more than an escape game

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.

🏛️
Hidden historical gems

At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.

📜
Anecdotes & legends

Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.

🏗️
Architecture & heritage

Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.

🚶‍♀️
Immersive wandering

Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.

🎙️
Immersive audio narration

A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.

📲
Yours forever

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?

🏛️
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

Yokohama Museum of Historyoptional
¥500. Explore permanent collections tracing the city's evolution from the Jomon era to the present day, with a focus on the port's opening.
Optionnel
/pers.
Yamate Italian Gardenoptional
Free. Stroll through this garden built in 1936 by the municipality, a one-hectare space with a fountain and pergola inspired by Italian architecture, offering views of Yokohama Port.
Optionnel
/pers.
Nikuman Tasting in Chinatownoptional
¥500-1000. Savor the famous Nikuman (steamed meat buns) at one of Yokohama Chinatown's historic shops, a must-try specialty of the district.
Optionnel
/pers.
Yokohama Port Cruiseoptional
From ¥1500. Admire views of Yokohama's port and skyline from the water, a different perspective of the sites you just explored on foot.
Optionnel
/pers.
Budget if you do them all / pers.~0

The Route

8 stages through the city

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 · 12€

No calendar booking. Code sent immediately by email.

🔒 Secure payment · Code in 5 min · Free cancellation

Practical info

Starting point
Main entrance of Yokohama Park
Directions on Google Maps
🕐
Duration
2h30 – 3h
At your own pace
👥
Players
Unlimited
From age 14
📍
Distance
~3 km
Historic and port center
Accessibility
Full
Wheelchair-friendly route
🌐
Languages
17 languages
Built-in translation

Why this route?

⚔️

Armed Resistance

Follow in the footsteps of samurai and patriots who dared to defy foreign authority.

📜

Hidden Prophecies

Decipher secret messages and bold plans for a new, free, and independent Japan.

🌪️

Political Turmoil

Dive into the heart of the upheavals that led to the fall of the Shogunate and the dawn of the Meiji Restoration.

Honor is a flame that never dies.

Will you be worthy of unearthing the visions of a new Japan, born of adversity?

★ 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

Dive into Meiji-era Yokohama, where Japan's opening to the world forged a unique destiny for the Kanto prefecture.

12€
1 phone
23€
2 phones
33€
3 phones
42€
4 phones
50€
5 phones
56€
6 phones
62€
7 phones
68€
8 phones
74€
9 phones
80€
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 · 12€

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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