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Uncover the cursed secrets of Sinop's dreaded prison. Decode the damned inmates' final messages hidden across the fortress walls and decode their escape plot before the ghosts claim you.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadow of Sinop Castle's impregnable walls, the Ottoman Empire's most notorious prison held the damned—political prisoners, rebels, and condemned souls who whispered of a hidden treasure and a
You are an imperial archivist, commissioned in 1853 by Sultan Abdülmecid I to investigate the mysteries and vestiges of the Sinop Tarihi Cezaevi, this historic prison in
Delve into the Ottoman dungeons and Byzantine fortresses of Sinop, where thousands of souls left their mark on the Black Sea's oldest port.
Your investigation begins in the heart of the Sinop Tarihi Cezaevi, this former high-security prison where the walls tell centuries of history. Initially built as a fortress by the Byzantines in the 12th century, it was transformed into a prison in 1853 under the Ottoman Empire. It is here that your mission takes on its full meaning, among the remains of Byzantine towers and the 400 cells that once housed political prisoners, Ottoman intellectuals, and republican opponents after 1923. The 8-meter high perimeter walls and the capacity for over 5,000 inmates attest to its central role in the history of Sinop and the Black Sea in Turkey.
As you continue your exploration of the Sinop Tarihi Cezaevi, you discover the traces of those incarcerated there until 1997. The atmosphere of the site, restored as a museum in 2003 and classified as Turkish cultural heritage, immerses you in the past. Every corner of this historic Sinop prison resonates with the stories of broken destinies. Here you search for clues to a conspiracy, hidden by an influential inmate. This crucial step allows you to understand the political and social stakes that have marked the Sinop region, a strategic point on the Black Sea Turkey for millennia.
Your journey then leads you to the imposing Sinop Kalesi, the fortifications surrounding the city. Built by the Pontic Greeks in the 1st century BC, then reinforced by the Byzantines and Ottomans, these ramparts stretch for about 2 km. The main gate, 'Kybele Kapısı', dating from the 1st century BC and named after the mother goddess, is a key point of your investigation. You examine the towers reaching 15 meters high, imagining the sieges they endured, notably that of Mithridates VI in 72 BC. These fortifications incorporate Roman and Genoese elements from the 14th century, illustrating the rich history of Sinop.
Not far, the Hamsilos Feneri, a lighthouse built in 1864, offers a unique perspective on the Hamsilos peninsula, the northernmost point of the Black Sea in Turkey. Located in the Hamsilos Nature Reserve, Turkey's first established in 1991, this 13-meter high lighthouse, automated in 1998, helps you locate a coded message. You contemplate the natural beauty of the region, contrasting with the austerity of the prison. This site, accessible on foot from Sinop city center, is an essential landmark for deciphering the final puzzles.
Your journey concludes with the revelation of the last secret, weaving together the threads of Sinop's history. You have traversed centuries of conflicts and cultures, from the Byzantine fortress to the Ottoman prison, passing through Greek ramparts and 19th-century lighthouses. As an archivist, you have reconstructed the puzzle of a complex past, where every historic site of Sinop — from the Sinop Tarihi Cezaevi to the Sinop Kalesi — has yielded its secrets. This circuit is an immersion in Turkish cultural heritage, a discovery of the Black Sea Turkey and the soul of an ancient city, marked by the destinies of the "Damned Prisoners".
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.
The game downloads to your phone on start. Once the "✓ Downloaded" indicator appears, everything works without data — narration, AR, GPS and puzzles. Perfect abroad without a data plan.
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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Explore one of the most famous and feared Ottoman prisons
Following the footsteps of Nazım Hikmet and great imprisoned intellectuals
Reconstruct a daring escape plan through the waters of the Black Sea
Freedom is not given, it is taken
Motto carved in a Sinop cell
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.
Neither. Everything plays in your browser (Safari, Chrome) after you tap your activation link. No PDF to print, no download. The trail lives in your phone, that's it.
Eight stops total. At each stop you find a camera clue, solve the puzzle, collect a fragment of the final code. With all eight, you've got the answer.
Absolutely. The puzzles aren't obvious — a curious teen will sweat just enough to be proud of cracking them. Progressive hints prevent frustration: if stuck, unlock hint level 1, then 2, then 3.
Intermittent 4G is plenty. Maps are cached at startup. Narration and clues load per stop, so a so-so signal between stops is fine. GPS itself uses no data.
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Delve into the Ottoman dungeons and Byzantine fortresses of Sinop, where thousands of souls left their mark on the Black Sea's oldest port.
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.
Prix indicatif : 20 TL. Explorez plus de 10 000 artefacts de l'Antiquité, des stèles hellénistiques du 3e siècle av. J.-C. à la pierre tombale de l'amiral Osman Paşa (1853), à seulement 500m de la prison.
Prix indicatif : 15 TL. Découvrez la collection sur Piri Reis, le célèbre cartographe ottoman du 15e siècle, et ses répliques de cartes marines de 1513 dans une maison ottomane du 19e siècle.
Prix indicatif : 50-80 TL. Goûtez à la spécialité locale de raviolis turcs, souvent servis avec du yaourt et de l'ail, dans l'un des restaurants traditionnels du centre-ville de Sinop.
Accès libre. Admirez l'architecture seldjoukide de cette mosquée construite en 1269 par le sultan Alaeddin Keykubad II, sur les fondations d'une église byzantine du 6e siècle, avec son minaret cylindrique de 20 mètres.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.