The Light of the Seu
The cathedral's light spectacle and Gaudí's rosette
📱 1 to 10 phones · 1 team per phone · Independent codes
Twice a year, Palma cathedral's rosette projects a perfect halo beneath its twin. Gaudí knew why. You don't — yet.
A cathedral built to capture light
Palma's cathedral — the Seu — is a Gothic stone vessel whose main rosette, at 13.8 metres in diameter, is one of the largest in the world. Twice a year, on 2 February and 11 November, sunlight passing through this rosette projects a second circle of light exactly beneath the opposite rosette, creating the spectacular "Vuit de Llum". Antoni Gaudí, called in 1904 to renovate the interior, modified the baldachin and lighting fixtures — but he is also said to have discovered the geometric secret behind this perfect projection.
« "The Seu is not a cathedral. It is an optical instrument disguised as a church." »— — Gaudí left Palma in 1914, taking his sketchbooks with him
The cathedral of light
Construction of the Seu began in 1229, after the conquest of Mallorca by Jaume I. Built on the site of a former mosque, it was designed so that its nave — the tallest in Spain after Beauvais — would be bathed in light. The Gothic architects placed the great rosette facing east, so that the winter sun would penetrate directly along its axis.
In 1904, the Bishop of Mallorca called on Antoni Gaudí to modernise the interior. Gaudí worked for ten years in Palma: he moved the choir, created a baldachin topped with a crown of thorns and installed wrought-iron light fixtures. But above all, he obsessively studied the trajectory of sunlight through the rosettes and noted calculations in his notebooks that no one has been able to reproduce.
The "Vuit de Llum" — the Eight of Light — was not scientifically documented until the 21st century. But Gaudí, a century ahead, had understood that the cathedral was not merely a place of prayer: it was a solar calendar, a time-measuring instrument designed by builders whose genius has been forgotten.
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
5 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?
Solar phenomenon
Understand the mystery of the "Vuit de Llum"
Gaudí in Palma
Discover the lesser-known work of the Catalan genius
Giant rosette
13.8 m in diameter — one of the largest in the world
Royal palace
Explore the Almudaina, residence of Mallorca's kings
The light knows the way. You still have to find it.
Your investigation begins at the Parc de la Mar
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
Q01Is The Light of the Seu similar to a treasure hunt?
Same spirit: search, deduce, find. But here the "treasure" is a full story to piece together in eight stops. Each stop gives you a fragment of the final code. Eight fragments later, you've cracked it.
Q02How many stops are in The Light of the Seu?
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.
Q03Is The Light of the Seu suitable for a challenge-seeking teen?
Absolutely. The puzzles aren't obvious — a curious teen will sweat just enough to be proud of cracking them. Progressive hints prevent frustration: if stuck, unlock hint level 1, then 2, then 3.
Q04Do we need 4G data to play?
Intermittent 4G is plenty. Maps are cached at startup. Narration and clues load per stop, so a so-so signal between stops is fine. GPS itself uses no data.
Avis des aventuriers
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Your turn to play
Uncover the secret of the cathedral of light and find Gaudí's lost calculations in the walls of the Seu.
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
🪙+15 TripCoins granted with your booking
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