Koldinghus — The Forgotten Register
Uncover the Forgotten Register of Koldinghus, a coded ledger revealing the royal treasure's hiding spots before the 1808 blaze. Decode clues across historic sites to reclaim the lost fortune from the ashes.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadowed halls of Koldinghus, Denmark's mighty royal castle founded in 1268, a desperate plot unfolded during the Napoleonic Wars
Koldinghus — The Forgotten Register
You are a royal archivist, commissioned by King Christian VIII in 1840s Kolding, tasked with recovering a forgotten register crucial for Koldinghus's reconstruction.
Your mission
Delve into the still-smoldering ruins of Koldinghus, the Danish royal castle ravaged by the 1808 fire, and unravel a two-century-old royal conspiracy.
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.
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. »
How does it work?
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.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The story that haunts this land
Your quest for the forgotten register begins on the main square of Koldinghus, the royal castle founded in the 13th century. A Danish royal residence and strategic fortress in Southern Jutland, this monument was the scene of the devastating fire of 1808. The first puzzles immerse you in the remnants of this disaster, searching for clues left by King Frederik VI's architects. The site, rebuilt after the calamity, retains the imprint of its glorious past and its function as an official conference venue, such as the Aalborg Universitet conference in 2020.
Continue your investigation towards Sankt Nicolai Kirke, Kolding's major parish church. This building, a key stage in your journey, features typical Gothic architecture of medieval Jutland. Located in Kolding's historic center, in close proximity to the castle and ancient commercial routes, it stood as a silent witness to centuries of history and the daily lives of its inhabitants. Its walls might well hide the first clues leading to the register you seek, concealed since the time of Christian VIII.
Next, take Slotsgade, the main historic artery connecting Koldinghus to the city center and Kolding's harbor. This street, mentioned as an essential stage of your treasure hunt, is characterized by its arcades and covered passages, offering shelter along 80% of its route. Here, echoes of medieval Danish trade still resonate, and merchants of old may have left coded messages. The past vibrancy of this street brings you closer to Kolding's living heart and its secrets.
Your path leads you to Kolding Havn, the historic port on Kolding Fjord. A strategic element of medieval Danish trade in Jutland, this port was a vital crossroads for the region. The coastal landscape, with its 'Royal castle, modern design, and a beautiful fjord', offers a remarkable setting for your investigation. The quays and warehouses, witnesses to exchanges and departures, could hold crucial information about the register's whereabouts before or after the fire that marked Koldinghus.
Finally, your journey brings you to Akseltorv, the central square of historic Kolding. The commercial and social heart of the medieval city, it is now surrounded by cafes and shops that offer welcome refuge in bad weather. It is here, at the crossroads of Kolding's destinies, that you will piece together the last parts of the puzzle. Solving this enigma will allow you to understand the extent of Kolding's heritage, from its royal castle to its port, and to restore the forgotten register to the memory of Southern Jutland.
The Route
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.
How does it work with a group?
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.
- ✓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.
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
Why this route?
Royal Castle
Explore the majestic remains of Koldinghus, a witness to Danish history.
Mysterious Fire
Unravel the mystery of the 1808 fire and its consequences on the royal heritage.
Secret Register
Search for the fragments of a vital document, lost and hidden before the flames.
Ashes keep silent, but stones whisper the truth.
Unveil the secret sealed by the flames.
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
Delve into the still-smoldering ruins of Koldinghus, the Danish royal castle ravaged by the 1808 fire, and unravel a two-century-old royal conspiracy.
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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