🕒 No date to pick · Code valid 1 year · Play whenever you want
Get my code
Uncover the secrets of Carantania's founding ritual. The Duke's Stone holds a cipher—decode it before the mystery dies with the last guardian.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the heart of Zollfeld valley lies Maria Saal, where two worlds collide: the Roman capital Virunum and the birthplace of Carantania, the first Slavic duchy
You are a Carolingian chronicler on a secret mission in 9th-century Carinthia.
You arrive in Maria Saal, historical heart of the Carantanian duchy, to decipher
Follow the traces of Europe's oldest Slavic duchy, where Carantanian princes swore oaths on the sacred stone since the 7th century.
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
Maria Saal welcomes you in its Gothic Dom, this fortress-cathedral rebuilt in the 15th century to resist Turkish incursions. After the devastating fire of 1669, it acquired its current appearance, dominated by the north tower where the Maria Saalerin, Carinthia's biggest church bell, has resonated since 1688. You search the walls for clues carved in stone, witnesses to twelve centuries of intermingled Slavic and Germanic faith.
The Fürstenstein reveals its millennial secrets: this stone seat was the theater of Carantanian coronations since the early Middle Ages. Here, until the 15th century, dukes took public oaths according to Carantanian political traditions, inherited from Europe's oldest Slovenian state. Each inscription you decipher on this sacred stone brings you closer to the dynastic treasure.
The Friedhof Maria Saal, historic cemetery adjacent to the fortified cathedral, preserves in its graves the memory of Carinthia's oldest market town. Among the 15th-century steles, you reconstruct the genealogies of families who served the Carantanian dukes, each epitaph revealing a fragment of the political puzzle of this region between Slavic and Germanic worlds.
The Pfarrhof, presbytery rebuilt with the cathedral in the 15th century, houses the secret archives of clerical administration. In this fortified building, you discover documents that attest to Maria Saal's central role in Carinthian history. Each parchment digitized in augmented reality reveals the names of witnesses to ducal oaths.
The Zollfeld, plain surrounding Maria Saal, was the theater of Carantanian assemblies and ducal enthronements near the Fürstenstein. This historic expanse, walkable from the town center, offers you an overview of the medieval Carinthian political center. You leave with the certainty of having pierced the mysteries of the oldest Slovenian state formation, where Central Europe forged its first Slavic democratic institutions.
5-10 curated sites across the territory
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 · 14,90€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Find fragments of an ancient codex that reveals a secret ritual calendar.
Decipher Roman and Carantanian inscriptions carved in stone.
Explore the historical layers of a thousand-year-old church, witness to three eras.
Where the past never dies, it transforms.
A journey into the heart of Carantanian identity.
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.
Soyez le premier à partager votre expérience.
Did you play le codex carantanien? Check the email you received after your game to leave a verified review.
Follow the traces of Europe's oldest Slavic duchy, where Carantanian princes swore oaths on the sacred stone since the 7th century.
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 destinations, tours & urban treasure hunts across the country
In the heart of medieval Carinthia
UNESCO city, where medieval history meets modern design
In the heart of the Alps, discover an ancient abbey and its library
Postcard-perfect alpine village, between lake and mountains
In the heart of salt mines, a Celtic and medieval treasure
Mozart's city, a baroque gem nestled in the Alps.
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
8€. Plus ancien musée en plein air d'Autriche avec 36 objets patrimoniaux de six siècles, fermes rurales et jardins d'herbes reconstituées.
5€. Découverte des fresques gothiques et de la crypte romane avec guide historien spécialisé en art religieux carinthien.
12€. Spécialité sucrée carintienne aux raisins et cannelle dans l'auberge historique Gasthof Sandwirt, institution locale depuis 1648.
Gratuit. Site archéologique romain à 6 km, vestiges de Virunum capitale de la province Noricum avec panorama sur les Alpes.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.