Rossmarkt — Gutenberg's Printing Conspiracy
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Innenstadt, Frankfurt am Main, GermanyRossmarkt — Gutenberg's Printing Conspiracy
📍 Innenstadt, Frankfurt am Main, Germany·🕐 2h30 – 3h·📍 ~3 km
Also available as:HistoricalMysterySpy thrillerCinema

Rossmarkt — Gutenberg's Printing Conspiracy

Uncover Gutenberg's secret pact with Fust and Schöffer at the Frankfurt Book Fair. Decipher hidden codes in printing history to expose the conspiracy that shaped the world—before the truth is buried forever.

📱 1 to 10 phones · 1 team per phone · Independent codes

Difficulty
·From age 12 years
Starting point :In the center of Römerberg, facing the Römer

In the bustling heart of 15th-century Frankfurt's Innenstadt, during the legendary Book Fair, Johannes Gutenberg forged a clandestine alliance with financier Johann Fust and craftsman Peter Schöffer

8
stages
~3 km
route
2h30 – 3h
at your pace
🚶
walking

Rossmarkt — Gutenberg's Printing Conspiracy

🎭Your Mission

You are Johann Fust, Johannes Gutenberg's associate and financier, in 1455 Frankfurt am Main.

Your mission: to thwart a conspiracy aimed at discrediting the revolutionary invention of movable

Immerse yourself in the cobbled streets of Frankfurt am Main, where the echo of Gutenberg's presses still resonates on the facades of the medieval old town.

« Frankfurt is the city of printing, for it was here that Gutenberg revolutionized the world with the invention of movable type. »
Historical inscription of the city of Frankfurt, Official tourist motto of Frankfurt am Main, linked to Gutenberg's heritage

The story that haunts this land

Your quest begins on the Römerberg, the heart of Frankfurt am Main's medieval old town. This 2,600 m² cobbled square is surrounded by 11 gabled houses, faithfully reconstructed in 1953-1954 after World War II, reflecting the Rhenish Renaissance. It was here that 17 emperors of the Holy Roman Empire were crowned between 1562 and 1806. Leaving this seat of power, you walk past the Römer, the city hall, towards the Hauptwache, a strategic rallying point where the first rumors of the conspiracy against Gutenberg began to circulate in the 1450s.

Your journey then takes you to the Paulskirche, a neoclassical Protestant edifice built from 1787 to 1833, with its characteristic 65-meter-high dome. Although later than Gutenberg's era, this church served as the seat of the Frankfurt Parliament in 1848-1849, marking the first democratic meeting place in Germany. Its capacity of 2,000 seats and its reconstruction after 1944 make it a symbol of freedom and unity, ideals that Gutenberg's printing press would, centuries earlier, help to spread. Approximately 800 meters from the Römerberg, it offers you a perspective on the evolution of thought in Frankfurt.

Not far from there, on the Rossmarkt (the old horse market), stands the Katharinenkirche, a 14th-century Gothic Protestant church, consecrated in 1400. Its 65-meter bell tower, restored after 1945, watches over the Gutenberg-Denkmal, a statue erected in 1837. This 4.5-meter statue, sculpted by Eduard Schmidt von der Launitz, depicts Johannes Gutenberg holding a printed sheet, with the inscription 'Dem Erfinder der Buchdruckerkunst'. Frankfurt is Gutenberg's birthplace, born around 1400, and this monument is a key point in your investigation into the 'Gutenberg's Printing Conspiracy', highlighting the importance of his invention for the city of Hesse.

Continuing your exploration of Frankfurt, you reach the Börse Frankfurt, the stock exchange building, erected between 1874 and 1879 by Oskar Sommer in an Italian Renaissance style. Its red sandstone facade and 60-meter tower symbolize Frankfurt's financial power in the 19th-20th centuries. Although Gutenberg's printing press first revolutionized the dissemination of knowledge, it also laid the foundations for the modern economy by facilitating trade and the exchange of information. This site, about 1 km from the Römerberg, reminds you that innovation, whether technological or financial, shapes the history of the city and Hesse.

Your journey finally leads you to the Karmeliterkloster, a former Carmelite monastery founded in 1294, whose 14th-15th century Gothic buildings now house the Historisches Museum. Its preserved cloister, with its ribbed vaulted galleries, holds collections of art and historical objects from Frankfurt, from the Middle Ages to the modern era. This place of knowledge and memory is a testament to the city's rich past, where Gutenberg's legacy is celebrated. By completing your investigation near the Domplatz, dominated by the Kaiserdom, you will have traversed the ages and understood why Frankfurt am Main is inseparable from printing and innovation.

1450
Johannes Gutenberg develops the movable type printing press.
1478
First documented mention of the Frankfurt Book Fair.
1562
Coronation of Maximilian II at the Dom, attracting scholars and publishers.
Far more than an escape game

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.

🏛️
Hidden historical gems

At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.

📜
Anecdotes & legends

Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.

🏗️
Architecture & heritage

Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.

🚶‍♀️
Immersive wandering

Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.

🎙️
Immersive audio narration

A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.

📲
Yours forever

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?

🏛️
Outdoor escape game

Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.

📱
On your smartphone

No app to download. Play directly from your browser. Guided step by step, at your own pace.

👨‍👩‍👧‍👦
Unlimited players

One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.

🎯
Augmented reality

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.

🤖
AI that helps you

Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.

🗣️
32 languages

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

Gutenberg Museum (Gutenberg-Museum)optional
€10. Explore historical presses and rare manuscripts to delve deeper into the legacy of printing. (In Mainz, accessible by train from Frankfurt)
Optionnel
/pers.
Historical Museum Frankfurt (Historisches Museum Frankfurt)optional
€8. Located in the Karmeliterkloster, this museum traces the city's history from the Middle Ages.
Optionnel
/pers.
Apfelwein Tasting in Sachsenhausenoptional
Variable. Taste the traditional local cider in the taverns of the historic Sachsenhausen district.
Optionnel
/pers.
Ascend the Kaiserdom Toweroptional
€3. Climb the 328 steps of the Imperial Cathedral for a panoramic view of Frankfurt and Hesse.
Optionnel
/pers.
Budget if you do them all / pers.~0

The Route

8 stages through the city

The gameplay: AR, camera, hidden clues

📱Search clues with your cameraRA

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.

8
original puzzles
24
min of narration
🪙 24
TripCoins granted
16
GPS waypoints

How does it work with a group?

One phone = one team. Pick the number at checkout (1 to 10).

🧍
1 phone

Solo, or a group sharing the screen. One team, one code.

👥
2-3 phones

Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.

👨‍👩‍👧‍👦
4 to 10 phones

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.
🕒No date to pick · Code valid 1 year · Play whenever you want

Ready to live this adventure?

Get my code · 12€

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🔒 Secure payment · Code in 5 min · Free cancellation

Practical info

Starting point
In the center of Römerberg, facing the Römer
Directions on Google Maps
🕐
Duration
2h30 – 3h
At your own pace
👥
Players
Unlimited
From age 12
📍
Distance
~3 km
Historic center
Accessibility
Full
Flat route
🌐
Languages
17 languages
Built-in translation

Why this route?

🖨️

Printing Secrets

Reveal Gutenberg's technical innovations.

📖

The Legacy of Books

Trace the influence of the Book Fair on history.

👑

Imperial Coronations

Explore the places that witnessed the birth of the Holy Empire's history.

A printed word can change the world.

Protect the legacy of the typographic revolution.

★ Innovation 2026

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

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

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Your turn to play

Immerse yourself in the cobbled streets of Frankfurt am Main, where the echo of Gutenberg's presses still resonates on the facades of the medieval old town.

12€
1 phone
23€
2 phones
33€
3 phones
42€
4 phones
50€
5 phones
56€
6 phones
62€
7 phones
68€
8 phones
74€
9 phones
80€
10 phones

1 purchase = 1 phone. Play several on the same device.

🕒No date to pick · Code valid 1 year · Play whenever you want
Get my code · 12€

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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