Chinatown — Echoes of Grant Avenue Tunnels
From12€

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

Get my code
💡City Pass from 19€All games in San Francisco
Chinatown, San FranciscoChinatown — Echoes of Grant Avenue Tunnels
📍 Chinatown, San Francisco·🕐 2h – 2h30·📍 ~2.5 km
Also available as:HistoricalMysteryFantasySupernatural

Chinatown — Echoes of Grant Avenue Tunnels

An old journalist's ledger reveals secret tunnels and hidden Gold Rush fortunes beneath Chinatown's streets. Decipher his clues to uncover the lost speakeasy treasure before it's gone forever.

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

Difficulty
·From age 12 years
Starting point :Dragon's Gate, Grant Avenue

San Francisco, 1870

8
stages
~2.5 km
route
2h – 2h30
at your pace
🚶
walking

Chinatown — Echoes of Grant Avenue Tunnels

🎭Your Mission

You are a young reporter for the San Francisco Chronicle in 1906, investigating the untold stories and forgotten figures of Chinatown's resilient community.

You begin your quest at Dragon'

Delve into the secret alleys of San Francisco, where the echoes of the Grant Avenue tunnels whisper tales of a Chinatown forged by gold and perseverance.

« San Francisco is the only city that has all the advantages of a great metropolis without any of its disadvantages. »
Rudyard Kipling, American Notes, 1889

The story that haunts this land

Your journey in San Francisco begins under the imposing Dragon's Gate, on Grant Avenue, the official entry point into Chinatown. This gate, rebuilt in 1970 in the style of traditional Chinese village gates, symbolizes the resilience of a community that survived the 1906 earthquake and exclusionary policies. As you pass through its arches, you enter a space where Chinese traditions have taken root on Californian soil, creating a unique micro-world within the city of San Francisco. The first waves of Chinese immigrants arrived as early as the 1840s, drawn by the Gold Rush, and quickly shaped this neighborhood.

A short walk away, Portsmouth Square welcomes you. This historic park, in the heart of San Francisco, was the site of the first raising of the American flag in California in 1846 and the nerve center of Old San Francisco. For the Chinese community, it was an essential public space, a place for gathering and communication. In the 19th century, 'tongs' or clan associations held meetings here, and news from China was shared. It was also here that the transcontinental telegraph was completed in 1861, connecting the East Coast to the West and strengthening San Francisco's strategic position.

Your path then leads you towards Old Saint Mary's Cathedral, on Grant Avenue. Erected in 1854, it was California's first Catholic cathedral and an architectural beacon for pioneers. Its red brick facade and twin towers have witnessed the evolution of Chinatown, serving as a landmark in a constantly changing neighborhood. The church survived the great fire of 1906, which devastated much of San Francisco, making it a symbol of perseverance. It continued to serve as a refuge and support for the city's diverse communities.

Exploring Ross Alley, one of Chinatown's most famous alleys, you discover a different side of the district. This narrow alley, often overlooked by hurried tourists, houses traditional artisan workshops and discreet shops. For decades, clandestine printing presses operated here, and secret activities took place, hidden from view. This spot reminds you that Chinatown has always had its hidden corners, where daily life and community rituals were maintained despite external pressures. The nearby House of Nanking is an example of authentic Cantonese cuisine that has endured for generations.

Your exploration concludes at the intersection of Columbus Avenue and Grant Avenue, a crossroads symbolizing the meeting of cultures in San Francisco. After traversing the labyrinthine alleys and historic squares, you gain a comprehensive understanding of the ingenuity and resilience of the Chinese community. From Dragon's Gate to Hotaling Place, each step has revealed a layer of this neighborhood's history, from secret tunnels to public landmarks. This journey leaves you with a profound appreciation for how Chinatown has shaped San Francisco's identity, forging a vibrant culture and rich heritage in California.

1849
Beginning of the California Gold Rush
1906
San Francisco Earthquake and Great Fire
1920
Beginning of Prohibition in the United States
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

Chinese Historical Society of America Museumoptional
$10. Explore archives and exhibits on Chinese American history in California since the Gold Rush.
Optionnel
/pers.
Cable Car Museumoptional
Free. Discover the engineering of San Francisco's famous cable cars and their history since 1873.
Optionnel
/pers.
Dim Sum Tasting at Good Mong Kok Bakeryoptional
$5-15. Sample traditional, freshly made dim sum at an iconic Stockton Street bakery.
Optionnel
/pers.
Visit Tin How Templeoptional
Free (donations appreciated). Chinatown's oldest Taoist temple, dedicated to the sea goddess Mazu, founded in 1852.
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
Dragon's Gate, Grant Avenue
Directions on Google Maps
🕐
Duration
2h – 2h30
At your own pace
👥
Players
Unlimited
From age 12
📍
Distance
~2.5 km
Chinatown
Accessibility
Partial
Slopes and stairs possible
🌐
Languages
17 languages
Built-in translation

Why this route?

📜

Forgotten Archives

Dive into tales of an era of madness and fortune.

🏮

Chinatown Mysteries

Explore the secret alleys of America's oldest Chinatown.

🗝️

Clandestine Passages

Outsmart the codes to reveal the paths of yesteryear's speakeasies.

Ghosts of the past whisper at street corners.

Unveil San Francisco's buried mysteries.

★ 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

Soyez le premier à partager votre expérience.

Did you play l echo des tunnels de grant avenue? Check the email you received after your game to leave a verified review.

Your turn to play

Delve into the secret alleys of San Francisco, where the echoes of the Grant Avenue tunnels whisper tales of a Chinatown forged by gold and perseverance.

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

Other escape games in Chinatown, San Francisco

See all games in Chinatown, San Francisco

More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Explore other cities in États-Unis

🎟️Coupe-file

Réservez vos entrées maintenant

Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.

💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.