Secrets of the Cité
Two thousand years of History on one island
📱 1 to 10 phones · 1 team per phone · Independent codes
From the Conciergerie where Marie-Antoinette awaited her execution to the stained glass of Sainte-Chapelle that housed the relics of Christ, the Île de la Cité hides beneath its cobblestones the remains of Lutèce, the Roman city that became Paris.
Beneath every stone of the island, a secret Paris tried to forget
The Île de la Cité has been the beating heart of Paris for over two millennia. It is here that the Parisii settled, that the Romans built Lutèce, that the kings of France dispensed justice, and that the Revolution severed heads. From Marie-Antoinette's cell to the relics of Christ's Passion, every square meter of this island carries the weight of an extraordinary history. Your investigation begins before the Conciergerie — the queen's last residence before the scaffold.
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.
« "I did not mean to step on your foot, sir." »— — Marie-Antoinette, to her executioner, October 16, 1793
The Île de la Cité — the cradle of Paris
Around 250 BC, the Gallic tribe of the Parisii settled on this island naturally protected by the Seine. The Romans conquered it in 52 BC and founded Lutèce, whose remains — baths, forum, dwellings — still sleep beneath the square of Notre-Dame in the Archaeological Crypt.
In the Middle Ages, the island became the center of royal power. Saint Louis had the Sainte-Chapelle built between 1242 and 1248 to house the Crown of Thorns of Christ, purchased at great expense from the Emperor of Constantinople. Its 1,113 stained-glass windows form one of the largest collections of 13th-century stained glass in the world.
During the French Revolution, the Palais de la Cité — former royal residence — became the Conciergerie, the antechamber of the guillotine. Over 2,700 prisoners passed through before their execution, including Marie-Antoinette, who spent her last 76 days in a damp, dark cell before mounting the scaffold on October 16, 1793.
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?
Royal memory
Relive Marie-Antoinette's last days and the intrigues of royal power in the heart of Paris.
World heritage
Explore three UNESCO-listed monuments: the Conciergerie, Sainte-Chapelle, and the Notre-Dame site.
Ancient codes
Decipher Latin inscriptions, medieval symbols, and revolutionary messages.
Sacred treasures
Uncover the mystery of the relics of Christ's Passion and the narrative stained glass of Sainte-Chapelle.
Lutèce rediscovered
Descend beneath Notre-Dame's square to explore the remains of the original Roman city.
She is tossed by the waves but does not sink.
Uncover the secrets of the island where Paris was born.
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, WhatsApp, 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 les secrets de la cite? Check the email you received after your game to leave a verified review.
Your turn to play
From Marie-Antoinette's cell to the Roman ruins of Lutèce, traverse two thousand years of History on the island where Paris was born in an escape game where every monument hides a secret.
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
Other escape games in France
View France→More destinations, tours & urban treasure hunts across the country
Explore other cities in France
Paris
The City of Light, cradle of riddles and legends
Versailles
The Sun King's palace and its intrigues
Reims
Coronation cathedral of the kings of France
Rouen
Joan of Arc's city and Monet's cathedral
Vézelay
Eternal hill and departure point for the Crusades
Amboise
Leonardo da Vinci's final home