Vienna — Shadow Eagle's Treason
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Historic City Center of ViennaVienna — Shadow Eagle's Treason
📍 Historic City Center of Vienna·🕐 2h – 2h30·📍 ~2.5 km
Also available as:HistoricalMysterySpy thriller

Vienna — Shadow Eagle's Treason

Vienna, 1938: Uncover the Shadow Eagle's treasonous plot. Decode clues across hidden landmarks to expose the Nazi spy ring before their sabotage strikes the heart of the city.

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

Difficulty
·From age 12 years
Starting point :Heldenplatz, in front of the Neue Burg

1938, Vienna's Innere Stadt

8
stages
~2.5 km
route
2h – 2h30
at your pace
🚶
walking

Vienna — Shadow Eagle's Treason

🎭Your Mission

You are an imperial archivist, a member of the Court's secret service, in 1913 Vienna, as tensions rise.

Your mission: decipher clues left by the '

Dive into the heart of Vienna, the imperial capital, to thwart a centuries-old plot threatening the Habsburg legacy and Europe's balance.

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

Kunsthistorisches Museum (Museum of Art History)optional
€21. Explore the imperial Habsburg collections, including works by Bruegel, Vermeer, and Raphael, in a lavish setting.
Optionnel
/pers.
Sisi Museum (Hofburg)optional
€19.50. Discover the fascinating and tragic life of Empress Elisabeth of Austria through her personal items and correspondence.
Optionnel
/pers.
Sachertorte Tasting at Café Sacheroptional
€8-12. Savor the famous original Sachertorte, an iconic Viennese chocolate cake, in a historic café founded in 1832.
Optionnel
/pers.
Vienna State Opera Tour (Staatsoper)optional
€13. Admire the neo-Renaissance architecture of this legendary venue, inaugurated in 1869, and discover the backstage of a global cultural institution.
Optionnel
/pers.
Budget if you do them all / pers.~0
« Vienna strong by its citizens and powerful by its ramparts. »
Official motto of the city of Vienna

The story that haunts this land

Votre enquête débute sur la Heldenplatz, cette place monumentale de 20 000 m² créée en 1865 par François-Joseph Ier pour honorer les héros des guerres napoléoniennes. Face au Neue Burg, achevé en 1913 et initialement destiné à l'archiduc François-Ferdinand, vous remarquez les statues équestres du Prince Eugène de Savoie (inaugurée en 1860) et de l'Archiduc Charles d'Autriche (1868). C'est ici même, le 15 mars 1938, qu'Adolf Hitler prononcera son discours d'Anschluss, un événement qui marque à jamais l'histoire de Vienne. Le Neue Burg, avec ses tours de 40 m et son inspiration Renaissance tardive, abrite aujourd'hui le Musée d'histoire de l'art et le Musée des papyrus épigraphiques grecs. Vos premiers indices sont cachés dans l'ombre de ces géants de pierre, témoins silencieux des grandeurs et des drames de la capitale autrichienne.

À moins de 200 m de la Heldenplatz, vous atteignez le Bundeskanzleramt, le bureau du Chancelier fédéral d'Autriche depuis 1918. Ce bâtiment néo-Renaissance, construit en 1913 par Eugen von Steinhammer et Arthur Politz, déploie une façade ornée de 16 statues allégoriques, chacune haute de 2,5 m et représentant une province autrichienne. Le traître a laissé une marque subtile parmi ces sculptures, un détail qui vous renvoie à la crise politique de 2000 impliquant Jörg Haider, preuve que les jeux de pouvoir ne sont jamais loin des murs officiels. Votre parcours vous mène ensuite vers la Minoritenkirche, une église gothique rayonnante érigée entre 1267 et 1350 sous Ottokar II de Bohême, dont la nef s'élève à 28 m et qui abrite une copie de la Vierge à l'Enfant de Giotto.

La Minoritenkirche, où François d'Assise fut symboliquement inhumé en 1230, est un jalon essentiel de votre quête. À 500 m de Heldenplatz via Ballhausplatz, elle constitue un point de convergence pour les secrets anciens. Votre chemin vous conduit ensuite à la Pestsäule, une colonne baroque érigée en 1694 par Léopold Ier sur Graben, à 800 m de Heldenplatz. Ce monument de 21,1 m, sculpté par Lorenzo Mattielli et d'autres, commémore la fin de l'épidémie de 1679 qui décima 76 000 personnes. Ses 24 figures allégoriques et sa dévotion habsbourgeoise au Sacré-Cœur cachent un message codé, lié à la survie et à la foi d'une ville qui a traversé tant d'épreuves.

Votre investigation vous mène ensuite à l'Austriabrunnen, une fontaine monumentale de 12 m de haut, avec un bassin de 15 m de diamètre, créée en 1900 par Edmund Hellmer et Josef Tuch. Commandée par François-Joseph Ier pour son 50e anniversaire, elle figure l'Autriche entourée de 16 statues de 3 m représentant les provinces. Située devant le Parlement, à environ 1 km de Heldenplatz, elle recèle un indice vital. Non loin, le Volksgarten, premier jardin public accessible à tous à Vienne dès 1823, offre un havre de paix sur 16 hectares. Son Temple de Thésée néoclassique, construit en 1821-1823 par Pietro di Nobile, est un lieu clé où l'Aigle Sombre a dissimulé une dernière énigme, dans ce jardin rénové en 1950 après la Seconde Guerre mondiale.

Votre périple à travers Vienne culmine avec la Stephansdom, la cathédrale gothique dont la construction débuta en 1353. Sa toiture en tuiles colorées de 1114 m² est visible à 1,2 km, et son pignon sud, le Heidenturm, achevé en 1400, s'élève à 65 m. Siège des Habsbourg et couronnée en 1433, elle est le symbole de la ville. En parcourant ces sites du centre historique de Vienne, classé UNESCO, vous aurez dénoué les fils du complot, comprenant comment les dates précises, les noms propres et les événements marquants de l'histoire de Vienne, de François-Joseph Ier à la crise de 2000, sont interconnectés. Cette visite interactive vous aura offert une perspective unique sur le patrimoine de Vienne, une véritable exploration de son histoire à travers ses monuments les plus emblématiques.

12 mars 1938
Anschluss: Austria is annexed by the Third Reich.
10 avril 1938
Rigged plebiscite validating the Anschluss with 99.73% of votes.
13 avril 1945
Liberation of Vienna by the Red Army.

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€

No calendar booking. Code sent immediately by email.

🔒 Secure payment · Code in 5 min · Free cancellation

Practical info

Starting point
Heldenplatz, in front of the Neue Burg
Directions on Google Maps
🕐
Duration
2h – 2h30
At your own pace
👥
Players
Unlimited
From age 12
📍
Distance
~2.5 km
Historic Center
Accessibility
Partial
Some cobbled areas, gentle slopes
🌐
Languages
17 languages
Built-in translation

Why this route?

🎭

Infiltration

Navigate through key locations of power and resistance in Vienna of 1938.

🕵️

Espionage

Decipher secret messages and identify the double agent threatening the resistance.

📜

Memory

Reconnect with the poignant history of Austrian resistance under the Anschluss.

Unravel the threads of betrayal before Austria is lost forever.

Time is running out, the Reich extends its shadow.

★ 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

Soyez le premier à partager votre expérience.

Did you play le secret du schattenadler? Check the email you received after your game to leave a verified review.

Your turn to play

Dive into the heart of Vienna, the imperial capital, to thwart a centuries-old plot threatening the Habsburg legacy and Europe's balance.

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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