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Decipher the secret correspondence of Prince Basarab I and expose the hidden alliance that forged Wallachia's independence. Solve cryptic riddles across 8 medieval landmarks to unlock the truth.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1330, Prince Basarab I defeated the Hungarian overlords at the Battle of Posada, but history records only half the story
You are a trusted scribe to Basarab I, Voivode of Wallachia, in Câmpulung, circa 1330, tasked with deciphering fragments of a forgotten
Discover Câmpulung, the first capital of Wallachia, and unravel the secret pact that founded a kingdom against the Hungarian Empire in the 14th century.
« This holy church was built in the year 1657 »— Inscription on the portal of Biserica Bărăția, Câmpulung
Your quest for Basarab's Cipher begins at Mănăstirea Negru Vodă in Câmpulung. Founded in 1215 by royal decree, this abbey is the first written document attesting to the city's existence. Rebuilt between 1687 and 1693 by Prince Constantin Brâncoveanu in the Brâncovenesc style, it testifies to the resilience of Brâncovenesc heritage. Its defensive towers recall its role as a fortified church serving as a refuge during invasions, a crucial fact for the stability of nascent Wallachia. Here lies the tomb of Negru Vodă II, Voivode of Wallachia who died in 1421, whose reign is linked to Basarab I and the consolidation of princely power.
Continuing your journey towards Statuia lui Basarab I, you trace the establishment of Wallachian authority. Basarab I established his power here after his victory against Hungary at Posada in 1330, a key event for Wallachia's independence. Archaeological remains excavated in 1970 reveal foundations of Curtea Domnească dating from 1310-1320, confirming that Câmpulung was the princely residence of the first voivodes and the administrative seat of Wallachia's first capital until the 15th century. The Muzeul Municipal Câmpulung, housed since 1951 in an 18th-century historic house, holds a collection of 5000 pieces, including princely seals of Basarab I found in 1925 and original documents, such as the 1351 diploma confirming donations.
Your route then takes you to Biserica Catolică Sfântul Iacob, built in 1785 in Austrian Baroque style, with a 30-meter high bell tower. This church served the Armenian and Catholic community of Câmpulung, marking the Western influences present in the region. Its interior, painted in 1802, depicts frescoes of Saint James. Nearby, Piața Primăriei, a paved historic center attested since 1369 by Saxon commercial privileges, was the site of the first medieval fairs organized under Basarab I (1310-1352). The town hall, built in 1895 in Neo-Brâncovenesc style, recalls the architectural continuity of the region. It is here that the Statuia lui Radu Negru, legendary founder, was installed in 1930.
The exploration continues with Biserica Bărăția, built in 1657 through Franciscan preaching, a unique Catholic church in medieval Wallachia that testifies to Western influences. Its Moldavian architecture and the inscription on its portal, « Această sfântă biserică s-au zidit în anul 1657 » (this holy church was built in the year 1657), are tangible proofs of its history. The 25m high bell tower was added in 1934. This site, on the route of Romania's fortified churches, illustrates the religious and cultural diversity that shaped the landscape of Câmpulung and Wallachia, enriching the narrative of the kingdom's foundation.
Reaching Monumentul Eroilor, your quest for Basarab's Cipher concludes in Câmpulung. This journey has allowed you to decipher the links between the city's various national historical monuments, from Mănăstirea Negru Vodă to Curtea Domnească, and including the Catholic places of worship. You have followed in the footsteps of Basarab I, Mircea cel Bătrân (1355-1418), and Constantin Brâncoveanu (1654-1714), emblematic figures who forged Wallachia. This interactive tour of Câmpulung, a city rich in heritage, offers you a deep understanding of the history of the first Wallachian capital, beyond typical anecdotes.
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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Unravel the mystery of a lost princely charter containing the true accounts of Wallachia's foundation.
Explore the iconic places where Wallachia's founder forged the independence of his country.
Solve the riddles of a princely necropolis that preserves the memories of the first Wallachian rulers.
Reconstruct the lost charter, rewrite history!
The past awaits your insight.
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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Discover Câmpulung, the first capital of Wallachia, and unravel the secret pact that founded a kingdom against the Hungarian Empire in the 14th century.
1 purchase = 1 phone. Play several on the same device.
No calendar booking. Code sent immediately by email.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
10€. Explorez les 5000 pièces de collection, dont des sceaux princiers de Basarab I et des documents originaux du XIVe siècle, sur 450 m² d'exposition.
Accès libre. Admirez les fondations datant de 1310-1320, témoins de la résidence princière des premiers voïvodes valaques et siège de la première capitale.
5-10€. Savourez une pâtisserie traditionnelle roumaine sur la place historique qui accueillait les foires médiévales sous Basarab I.
Accès libre. Profitez de l'atmosphère sereine de ce monument historique national, fondé en 1215, et admirez son architecture brâncovenesc.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.