Marathon — Pheidippides' Final Secret
490 BC: Uncover the hidden truth behind Pheidippides' desperate run from Marathon to Athens. Decipher clues at ancient tumuli to expose a conspiracy that changed history forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 490 BC, on the blood-soaked plain of Marathon, Athenian hoplites crushed the Persian invasion led by Darius
Marathon — Pheidippides' Final Secret
You are an Athenian emissary, 490 BC, dispatched to Marathon to uncover Pheidippides' last secret.
You arrive at the archaeological museum, the starting point of an investigation that will
Follow in the footsteps of Pheidippides, the herald who ran 42 kilometers to announce the Greek victory over the Persian Empire in 490 BC.
« The Athenians, victorious over the barbarians at Marathon, dedicate this to Heracles. »— Marathon Trophy Inscription, 490 BC
The story that haunts this land
Marathon has housed since 1979 the archaeological museum preserving artifacts from the battle of September 12, 490 BC. In its 500 m² of exhibition space, you discover Persian weapons and armor recovered from Datis' 25,000 soldiers, along with the original inscription of the Athenian victory trophy. The 2nd-century AD Roman tetrapylon and bronze statues testify to Rome's veneration for this founding victory of Greek democracy. Here begins your race following the herald who changed history.
The Athenian tumulus, erected around 490 BC, shelters the bodies of 192 warriors who died for their city's freedom. This funerary monument, 18 meters in diameter and 3 meters high, was excavated in 1890 by V. Staes, revealing 120 bodies arranged according to Athenian military rites. The 1835 commemorative stele bears an inscription honoring these Marathon heroes. 700 meters away, the Plataean tumulus commemorates the 11 Boeotian allies who fell alongside Athens, their intact funeral pyre testifying to the alliance that saved Greece.
The battlefield extends over 4 km² between Vrana and Brexiza, theater of the hoplite charge described by Herodotus in his Histories. Here, 10,000 Greeks led by strategist Miltiades broke the Persian Empire's invincibility. The marshy terrain of Brexiza marshes, where Datis' troops landed, hindered Persian cavalry maneuvers while Athenian phalanxes exploited their terrain knowledge. Roman drainage canal remains from the 1st century AD still mark this strategic zone.
The battle trophy, a 10-meter Ionic monument erected 2 km from the Athenian tumulus, bears the dedicatory inscription to Heracles restored in 1885. Its fragments displayed in the local museum reveal the victors' gratitude to Athens' protective god. The Marathon-to-Athens road, which Pheidippides traveled to announce victory, still crosses the 42 kilometers that gave the modern Olympic event its name. Heracles' sanctuary marks the arrival of this legendary race, where the herald collapsed after shouting 'We have conquered'.
Your Marathon journey reveals how a three-hour battle changed Western civilization's course. Following Pheidippides' steps, you understand this victory didn't just save Athens, but enabled the flourishing of philosophy, theater, and democracy that still found our world. The 2,500 elapsed years haven't erased the echo of this heroic charge resonating in every stone, tumulus, and inscription of this Attic plain where Europe was born.
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?
Following the first marathon
Follow the legendary path of Eucleides, from the battlefield to the gates of Athens, where the modern Olympic race was born.
Ancient military tactics
Analyze Miltiades' revolutionary strategy that allowed 10,000 Greeks to triumph over 25,000 Persians.
Authentic funerary monuments
Explore the 2500-year-old tumulus that still houses the heroes of Marathon, a moving witness to this decisive victory.
Run in the footsteps of democracy's first victory
A battle that changed the course of History
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
Q01What's the difference with a regular indoor escape room?
Outdoor escape game format: no physical locks, no actor, no fixed time slot. You start when you want, progress through Marathon Plain, Attica with your phone, and the city itself is the set. More immersive on local history, more flexible in pace.
Q02Can we take a break mid-trail?
Of course. Stop at a café, have lunch, resume later: your progress is saved. Many players bake a meal break into the trail, especially with families.
Q03Do we need to be several people to enjoy it?
No, solo works very well. The outdoor escape game format in self-guided mode leaves room for introspection: read the story at your pace, hunt clues like a detective. 2-6 players is more social, solo is more contemplative.
Q04What happens if it rains in Marathon Plain, Attica?
The game is playable in light rain — just keep your phone under a hood. For heavy thunderstorms, your code stays valid, you can postpone to another day at no cost.
Avis des aventuriers
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Your turn to play
Follow in the footsteps of Pheidippides, the herald who ran 42 kilometers to announce the Greek victory over the Persian Empire in 490 BC.
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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