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Uncover the hidden Vermeer stolen from the Princely Collections. Decode clues across Vaduz's landmarks to expose a centuries-old art heist before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the opulent halls of Vaduz's Princely Collections, assembled over centuries by the Liechtenstein family, a masterpiece vanished: a rare Vermeer painting, whispered to hold encrypted secrets of roya
You are Franz Joseph I, 18th-century Prince of Liechtenstein, art patron and builder, as an enigma threatens the heritage of the Princely House.
Your mission begins at Peter-Kaiser
Dive into the heart of Vaduz, where the princely collections of Liechtenstein whisper secrets of centuries of art and history.
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
« For God, Prince and Fatherland »— Official historical motto of Liechtenstein
Your quest for the 'Secrets of the Princely Gallery' begins at Peter-Kaiser-Platz, the central square of Vaduz and the political heart of the principality, named in honor of 19th-century politician Peter Kaiser. Here, at the foot of the Liechtenstein Parliament, you receive your first enigma, which will set you on the trail of the vanished artifacts. Schloss Vaduz, a 12th-century medieval fortress, stands majestically above the Rhine Valley, visible from the square, reminding you of the importance of the princely heritage that guides your exploration of the city of Vaduz.
A short walk away, St. Florin Kathedrale, a 14th-century Gothic church dedicated to Liechtenstein's patron saint, St. Florin, welcomes you. Its distinctive spire, visible from Peter-Kaiser-Platz, is a landmark in Vaduz's historic center. This major religious monument, rooted in the Middle Ages, may hold hidden clues within its late Gothic architecture. As you traverse the Städtle, Vaduz's cobbled historic quarter with its narrow streets and traditional 16th-18th century architecture, you observe the life animating this medieval heart, between shops and cafes.
Your path then leads you to the Kunstmuseum Liechtenstein, founded in 2000. This museum of modern and contemporary art, with its glass and concrete architecture, is a guardian of Liechtenstein's art collections and international exhibitions. Although modern in design, it is thematically linked to your journey by its role as a conservator of artworks, echoing the 'art collections' you are seeking. Approximately 400 meters from Peter-Kaiser-Platz, it offers a contemporary perspective on princely heritage.
Continuing your urban scavenger hunt, you reach the Liechtensteinisches Landesmuseum, the national museum founded in 1952. Located about 300-400 meters from the center of Vaduz, it preserves the principality's historical and cultural collections, including objects from the princely collections. This is where history comes alive, revealing artifacts that might hold the key to your research. The Rotes Haus, a historic building with a characteristic red facade from the 16th-17th centuries in the Städtle, 250-350 meters from your starting point, offers a glimpse into traditional Liechtenstein civil architecture.
Your exploration of Vaduz's princely heritage concludes at the Hofkellerei des Fürsten von Liechtenstein, the Princely Cellars. This historic winery has been producing wines for several centuries, embodying the economic and cultural legacy of the Princely House. After traversing the streets of Vaduz, from its historic monuments to its art museums, you will have not only solved the enigma of the 'Secrets of the Princely Gallery' but also discovered the richness of Liechtenstein cultural tourism, and the history of Vaduz, a city where every stone tells a story, from Schloss Vaduz to its preserved art collections.
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.
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Discover the fascinating history of one of the world's largest private art collections, from Flemish masters to hidden treasures.
Unravel the secret of an 'alchemical code' linked to a Vermeer painting and a forgotten logbook. A decryption quest awaits you.
Enjoy exceptional panoramic views of Vaduz Castle, residence of the Princes, while solving the riddles of the past.
Decipher the secrets of an unparalleled art collection.
An unsuspected treasure awaits discovery.
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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Dive into the heart of Vaduz, where the princely collections of Liechtenstein whisper secrets of centuries of art and history.
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

Uncover the chilling fate of a Nazi regiment that marched into Vaduz during WWII, never to return intact. Decode hidden clues at monuments and stolpersteine to solve why they vanished without a trace.

Decipher the hidden secrets of Liechtenstein's founding. A forgotten register holds the truth behind the principality's shadowy origins—uncover the conspiracy before it's erased forever.

Decipher the encrypted diplomatic cables hidden across Vaduz to expose the true cost of Liechtenstein's neutrality during WWII and uncover a secret pact that shaped the principality's fate.
More destinations, tours & urban treasure hunts across the country
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
Env. 15 CHF. Explorez les collections d'art moderne et contemporain, incluant des œuvres liechtensteinoises et des expositions internationales. (env. 400m de Peter-Kaiser-Platz)
Env. 10 CHF. Découvrez l'histoire et la culture de la principauté à travers ses collections nationales, incluant des objets des collections princières. (env. 300-400m du centre de Vaduz)
Dégustation à partir de 20 CHF. Visitez les caves princières pour une dégustation des vins produits par la Maison Princière depuis des siècles, un héritage économique et culturel. (à Vaduz)
Accès libre (extérieur). Admirez cette forteresse médiévale du XIIe siècle, résidence officielle de la famille princière, perchée à 120 mètres au-dessus de la vallée du Rhin. (visible depuis Peter-Kaiser-Platz)
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.