Sierra de San Francisco — Giants' Enigma
Uncover the enigma of the colossal giants in ancient rock paintings. Decode hidden symbols across caves to reveal the lost ritual that summoned these towering figures from the ancients' visions.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the remote canyons of Sierra de San Francisco, a vanished people painted colossal human figures towering over 4 meters tall, arms raised in ritual dances amid deer, whales, and fish
Sierra de San Francisco — Giants' Enigma
You are a dedicated archaeologist specializing in pre-Columbian cultures, arriving in Baja California Sur to investigate a persistent local legend.
In the remote canyons of Sierra de San Francisco, you find evidence of a
The Great Mural — rock art unique in the world
« These gigantic paintings surpass in mystery and beauty anything I have seen elsewhere in the pre-Columbian world. »— Léon Diguet, Scientific Mission to Mexico, 1895
The rock art of the Gran Mural
The Sierra de San Francisco houses one of the most important concentrations of rock art in America. Between 5000 and 1000 BC, nomadic hunter-gatherer peoples created a monumental pictorial ensemble called 'Gran Mural' in more than 300 caves. These works represent stylized human figures of exceptional size (up to 5 meters), often with raised arms, accompanied by animals such as deer, bighorn sheep, and fish.
In 1895, French naturalist Léon Diguet was the first European to scientifically study these paintings during his mission for the National Museum of Natural History in Paris. He documented more than 200 sites and theorized the existence of a coherent symbolic system. Listed as a UNESCO World Heritage site in 1993, these works testify to a sophisticated civilization that mastered complex pictorial techniques using red and black mineral pigments. The mystery of their exact meaning persists, fueling contemporary archaeological research.
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.
The game downloads to your phone on start. Once the "✓ Downloaded" indicator appears, everything works without data — narration, AR, GPS and puzzles. Perfect abroad without a data plan.
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?
Millennial rock art
Over 300 caves decorated with giant figures painted 7,000 years ago by a mysterious civilization
Archaeological mystery
An undeciphered pictographic code discovered by French explorer Léon Diguet in 1895
UNESCO Heritage
World Heritage site for its exceptional concentration of pre-Columbian art
In Situ Conservandum
To be preserved in place — UNESCO rock art preservation principle
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
Q01Sierra de San Francisco — Giants' Enigma — is it a guided trail or a free-form hunt?
It's a semi-guided trail: GPS points you to the next stop, but you find the camera clue and solve the puzzle yourself. No app to install, everything runs in your browser.
Q02How many stops are in Sierra de San Francisco — Giants' Enigma?
Eight stops total. At each stop you find a camera clue, solve the puzzle, collect a fragment of the final code. With all eight, you've got the answer.
Q03Can we do Sierra de San Francisco — Giants' Enigma as a family with kids?
Yes, from age 6 with an adult reading puzzles aloud, and from age 12 on their own. Kids love the "find the camera clue" part — it's very visual, gets them genuinely involved.
Q04What if we get stuck on a puzzle?
Three hint levels per puzzle, with a small increasing time penalty. If truly stuck after level 3, you can skip the step (45-min penalty). The point: nobody stays blocked and goes home frustrated.
Adventurer reviews
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Your turn to play
Pierce the mystery of Gran Mural by following Léon Diguet's traces in Sierra de San Francisco. Decipher the pictographic code left by a civilization that vanished millennia ago.
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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