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Uncover the secret geometric code embedded in the Parthenon's design. Ictinos and Callicrates left clues across the Acropolis—can you solve their architectural riddle before the truth is lost to time?
📱 1 to 10 phones · 1 team per phone · Independent codes
447 BC
You are Pheidias, master sculptor and architect of 5th century BC Athens, entrusted by Pericles to decipher a hidden plan uniting the Acropolis monuments.
Your quest begins at the entrance
Immerse yourself in 5th century BC Athens, as architects Pheidias and Ictinus bring the marbles of the Acropolis to life after the Persian defeat.
« Athens, mother of all cities, is the most beautiful of cities. »— Thucydides, History of the Peloponnesian War, 5th century BC
Your journey begins at the Propylaea, the monumental gateway to the Acropolis of Athens. Built between 437 and 432 BC by the architect Mnesicles, these Propylaea measure approximately 18 meters wide by 31 meters deep. They controlled access to the sanctuary, and their six-column Doric facades marked the threshold of this sacred hill. Part of the edifice was destroyed during the 1687 explosion and restored in the 19th century, then partially reconstructed in the 20th century. Traces of Pentelic marble remain, offering a glimpse of ancient wall paintings.
The heart of your mission leads you to the Parthenon, the Doric temple dedicated to Athena Parthenos, built between 447 and 432 BC under the direction of Ictinus and Pheidias. This temple measures 30.9 meters wide by 69.5 meters long, with 8 columns on the facades and 17 on the long sides. The sculptures, notably the pediments and metopes, were supervised by Pheidias himself. The Parthenon has spanned the ages, serving as a Greek temple, a Christian basilica, an Ottoman mosque, and suffered an explosion in 1687, destroying part of its roof. The marbles, now scattered, bear witness to its past grandeur.
Near the Parthenon, the Erechtheion, an Ionic temple built between 421 and 406 BC, reveals another aspect of Athenian history. This sanctuary, measuring approximately 23.5 meters long by 10.5 meters wide, is famous for its Porch of the Caryatids, supported by six marble female statues. It housed the cult of Erechtheus, the founding hero of Athens, and that of Athena Polias, marking the legendary boundary between the domains of Poseidon and Athena. The original Caryatids are preserved in the Acropolis Museum, replaced by copies on site, and the temple underwent transformations, such as the addition of an Ottoman mosque in the 17th century.
Your exploration of Athens' heritage takes you to the foot of the Acropolis, towards the Theatre of Dionysus. The first installations of this theatre date back to the 6th century BC, but its classic stone form was established in the 4th century BC under the direction of Lycurgus. It could accommodate approximately 17,000 spectators, arranged in a semicircle around the circular orchestra. It was here that the tragedies of Aeschylus, Sophocles, Euripides, and the comedies of Aristophanes were performed during the Dionysia. The stands and fragments of the Roman stage are still visible, anchoring this site in the history of the city of Athens.
As you complete your journey through Attica, you will have deciphered Pheidias' plan, understanding how the Propylaea, the Parthenon, and the Erechtheion fit into a unified vision of the city. The monuments of the Acropolis, restored in the 20th century by the Ephorate of Classical Antiquities, continue to reveal their secrets. This interactive visit to Athens will have allowed you to explore historical sites and ancient ruins, while offering panoramic views from the Acropolis over the Areopagus hill, the ancient court. You will take away a concrete understanding of 5th century BC art and engineering, as well as the legacy of Pericles in this city of Athens, mother of all cities.
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. »
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.
Places tied to your adventure — optional entries, totally up to you · per person
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.
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.
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
Decrypt the golden ratio mathematical proportions in Parthenon architecture
Analyze Phidias' masterpieces and sculpture-architecture integration
Explore the temple's astronomical alignment with Greek constellations
Reveal the secrets of the Golden Age master builders!
Uncover the architectural mysteries of the most perfect Greek temple ever built
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
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.
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
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.
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
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.
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
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.
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).
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Pre-register or contact us — we'll email you as soon as your city is live.
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.
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Immerse yourself in 5th century BC Athens, as architects Pheidias and Ictinus bring the marbles of the Acropolis to life after the Persian defeat.
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
More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

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Decipher the sacred secrets of Demeter and Persephone's Eleusinian Mysteries. Follow the initiates' path through ancient ruins to expose the ritual that promised eternal bliss—before the gods' curse silences it forever.

Uncover the conspiracy that threatened Cleisthenes' democratic reforms at the Pnyx and Agora. Decipher ancient codes hidden at key sites to expose traitors sabotaging Athens' birth of democracy.

Uncover the hidden truth: Themistocles' bones were secretly reburied in Piraeus after his exile. Decipher ancient clues to locate his lost tomb before rival historians claim the discovery.

Uncover the deadly plot of the Thirty Tyrants who seized power after Sparta's victory. Decode their reign of terror, track hidden executions, and expose the secret that toppled their oligarchy in ancient Athens.
Between two seas, guardian of the ancient isthmus
Cradle of Mycenaean civilization
The navel of the ancient world
Sacred island of Apollo and mythological cradle
City of legendary warriors
Birthplace of the ancient Olympic Games
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
15€. Inauguré en 2009 et conçu par Bernard Tschumi, ce musée de 14 000 m² abrite les sculptures originales du Parthénon et offre une vue directe sur l'Acropole.
Accès libre. Cette colline rocheuse de 115 mètres, ancien tribunal de justice antique, offre une vue panoramique sur l'Acropole et le centre d'Athènes.
Prix indicatif 25-40€. Explorez Plaka, le plus ancien quartier d'Athènes, avec ses maisons néoclassiques et ses tavernes, et découvrez des vestiges antiques sous vos pieds.
10€. Construit pour les Jeux panathénaïques en 330 av. J.-C., ce stade en marbre a accueilli les premiers Jeux olympiques modernes en 1896.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.