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Uncover the truth behind the Spillings Hoard, Viking Sweden's largest silver treasure, buried in haste during turbulent raids. Decode clues across Visby's medieval ruins to reveal who hid it and why they never returned.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the 9th century, Visby buzzed as a vital Viking trading hub on Gotland, where silver flowed from distant lands into hidden hoards
You are Sven Göthe, director of the Swedish Heritage Council, on an urgent mission to Gotland island in 1999.
You've just learned of the discovery of the Spillings treasure
Follow the trail of the largest Viking treasure ever discovered in Europe, buried beneath Visby's ancient stones since 1361.
Your investigation begins at Kruttornet, powder tower built in 1288 as part of Visby's fortification. This 15-meter high tower served as a powder magazine in the 17th century, hence its current name. Restored in 1880, it marks the northwest entrance to the ringmur, near the historic port where Viking longships docked from the 8th century. Here Valdemar Atterdag landed in July 1361 with his Danish fleet, ready to seize the wealth accumulated by Gotland merchants.
You then follow Visby's ringmur, medieval wall built between 1260 and 1350. Stretching 3.44 km with 44 watchtowers, this 3-meter thick rampart testifies to Visby's Hanseatic prosperity. Listed as UNESCO World Heritage in 1995 for its exceptional preservation, it protected warehouses filled with Russian furs, Baltic amber and Novgorod silver. Fiskarporten, gate built in the 14th century and restored in 1905, takes its name from fishermen who used it. Standing 8 meters high with a 3.5-meter arch, it marked access to the Viking and Hanseatic port.
Your route leads to Almedalen, former Viking port filled in the 13th century and transformed into a 10-hectare public park. This site witnesses Visby's role as a Viking commercial hub from the 8th century, before German Hanseatic merchants established their trading posts. 500 meters from Kruttornet via the ringmur, Almedalen has hosted Swedish political party speeches since 1946. Its medieval remains recall when ships laden with Slavic silver anchored in this natural harbor.
Stora Torget, Visby's main square since the 13th century, formed the heart of Hanseatic trade. This 2,000 m² area surrounded by medieval buildings housed weekly markets documented from 1289 by Swedish royal charters. 800 meters from Kruttornet via Donners plats, you discover 14th-century warehouses where Nordic wealth transited. Saint Mary's Cathedral, built between 1225 and 1250, remains Visby's only intact church. 58 meters long with a 44-meter bell tower added in 1450, it was spared during the 1361 sack by Valdemar Atterdag.
Your investigation concludes at Burmeisterska huset, patrician house built in 1750 by German merchant Barthold Joakim Burmeister, and Botaniska trädgården, botanical garden created in 1855. These sites of Swedish rococo style and botanical collection of 1,200 species reveal Visby's continuity as cultural center after its Hanseatic splendor. You leave with certainty that the Spillings treasure, discovered in 1999 on a Gotland farm, was merely a fragment of wealth accumulated by this crossroads island between East and West for a thousand years.
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
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?
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Discover the story of the Spillings Hoard, the largest Viking treasure ever found, and its impact on Gotland.
Explore Visby as a nerve center for trade between East and West during the Viking era.
Unravel the enigma of the treasure's burial and the hidden message left by its mysterious owner.
Time has kept its secret, but the stones speak.
Will you unravel the mystery of the greatest Viking treasure?
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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Follow the trail of the largest Viking treasure ever discovered in Europe, buried beneath Visby's ancient stones since 1361.
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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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
140 SEK. Découvrez les pierres runiques originales et une reconstitution du trésor de Spillings dans ce musée de référence sur l'histoire viking de Gotland.
80 SEK. Collections d'art contemporain suédois dans un bâtiment du XVIIIe siècle, avec vue panoramique sur la Baltique depuis la terrasse.
120 SEK. Savourez la crêpe au safran traditionnelle de Gotland accompagnée de confiture de mûres arctiques dans une boulangerie médiévale de Stora Torget.
250 SEK. Circuit de 45 minutes le long de la ringmur médiévale avec guide costumé racontant les légendes hanseatiques de Visby.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.