Osaka Castle — Uncover Toyotomi Fall Secrets
Uncover the hidden codes left by Toyotomi Hideyori during the 1615 siege. Decode riddles at Osaka Castle's landmarks to expose the shogun's betrayal and reveal the lost Toyotomi treasure before it's gone forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1615, the mighty Osaka Castle trembled under Tokugawa Ieyasu's relentless siege
Osaka Castle — Uncover Toyotomi Fall Secrets
You are an Imperial investigator, dispatched to Osaka in 1615, tasked with discreetly probing the circumstances surrounding the Toyotomi clan's downfall.
Your mission begins near the
Delve into the intrigues and bloody battles that sealed the fate of feudal Japan in the heart of Osaka Castle Park.
The story that haunts this land
Your quest begins at Otemon Gate, the main gate of Osaka Castle. Reconstructed in 1997-1998, it stands on original early 17th-century stone walls, erected during the era of Toyotomi Hideyoshi (1583-1598). These walls feature massive boulders, among Japan's tallest, with hidden engravings visible on moat cruises. These outer fortifications, designed to protect the powerful castle, symbolize the power struggles that preceded the foundation of the Edo era in 1603. It was here, in Osaka, that the beginnings of Japan's unification unfolded.
Continue towards the statue of Sanada Yukimura, a legendary samurai honored in Osaka Castle Park. This statue commemorates his crucial role during the Siege of Osaka (1614-1615), where Yukimura led the defenses against Tokugawa Ieyasu's forces. His fierce resistance was a pivotal moment in the fall of the Toyotomi clan, marking the end of an era. The route then takes you to Toyotomi Shrine, dedicated to Toyotomi Hideyoshi (1537-1598), the warlord who initiated Osaka Castle's construction in 1583. This shrine, located within the park, is an essential site for understanding Hideyoshi's legacy and the castle's historical significance.
The path then leads you along the Outer Moat, the external moats surrounding Osaka Castle Park. These moats, lined with massive stone walls built in the late 16th century under Toyotomi Hideyoshi, are considered among Japan's tallest. A gozabune sightseeing boat cruise, not included in this interactive visit, would allow you to admire these walls and discover engravings normally hidden. As you walk along these fortifications, you grasp the scale of the ancient citadel's defense, a testament to the military power of the Kansai region at the time and Hideyoshi's ambitions.
The climax of your exploration is Osaka Castle's Main Tower. Reconstructed in 1931 after multiple destructions, including the 1665 fire, it now houses a history museum. The original was built between 1583 and 1598 by Toyotomi Hideyoshi. From the observation deck, you get panoramic views of Osaka city, the castle towering over its surroundings from its hill. This iconic structure remains a symbol of Osaka's strength and resilience through the ages, set within Osaka Castle Park's 106 hectares, renowned for its 600 cherry trees in Nishinomaru Garden, a hanami spot from late March to early April.
Your adventure concludes within Osaka Castle Park itself, a vast 106-hectare green space. Beyond the sports facilities and Osakajo Hall, it remains a place of memory. Nishinomaru Garden, with its 600 cherry trees and views of the castle tower (admission fee required), offers a striking contrast to the site's military grandeur. You leave Osaka with a deep understanding of the power struggles, architectural innovations, and historical figures who shaped this Kansai region. Your mission is accomplished: the secrets of the Toyotomi's fall are now just a distant echo, engraved in the stones of Osaka Castle Park.
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.
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. »
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
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.
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 · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Siege Strategies
Explore the ingenious defenses of Osaka Castle and the tactics used during the epic sieges.
A Clan's Legacy
Delve into the tragic fate of the Toyotomi clan and the end of their flamboyant reign.
Forgotten Chronicles
Decipher a secret journal that reveals hidden truths about the fall of a dynasty.
The past is never really dead. It's not even past.
Uncover the buried secrets of Osaka's final siege.
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
Delve into the intrigues and bloody battles that sealed the fate of feudal Japan in the heart of Osaka Castle Park.
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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