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Uncover the final secrets of Llywelyn ap Gruffudd's doomed resistance against Edward I. Decode clues hidden in Caernarfon's walls to reveal the 'Last Welsh Breath'—a lost prophecy of rebellion buried since 1282.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1282, Llywelyn ap Gruffudd, the last native Prince of Wales, drew his final breath in the shadow of what would become Caernarfon's mighty castle
You are a Welsh intelligence agent in Caernarfon, 1283, tasked with deciphering the strategies of Edward I of England as he erects his fortress.
Your mission begins in
Delve into Caernarfon's troubled past, a town where every stone whispers echoes of Welsh conquests and resistance.
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
Your quest begins at Porth-yr-Aur, the medieval 'Golden Gate', a key point in Caernarfon's defensive system established in the 13th-14th centuries. This historic gate, connecting the port to the inner quarters, is the first clue to Welsh resilience against invaders. Crossing Porth-yr-Aur, you travel back in time to when Agricola's Roman legions established Segontium fort around 77-78 AD, laying the first stones of this coastal town in North Wales. The Roman fortifications, visible at the Segontium archaeological site, illustrate the strategic importance of the Seiont estuary long before the medieval castle's construction.
The route then leads you to St Peblig's Church, the medieval parish church dedicated to Saint Peblig, a 6th-century Welsh saint. Its original construction, dating from the 14th-15th centuries and modified over time, offers a striking contrast to the castle's military might. This schist stone building, typical of Welsh religious architecture, is a central element of Caernarfon's spiritual and architectural heritage, a haven of peace amidst dynastic conflicts. Nearby, Slate Quay, the former export port for Welsh slate, testifies to Caernarfon's economic importance in the 19th-20th centuries, connecting the town to international trade via the Irish Sea.
Continue your investigation on Maes y Dref, or Castle Square, Caernarfon's historic central square. A focal point of civic life since the Middle Ages, it has hosted traditional markets and public events since the 14th century. Here, the statue of David Lloyd George, Welsh Prime Minister (1863-1945), marks a major civic landmark. The surrounding architecture, mainly dating from the 18th and 19th centuries, reflects the Georgian era and the town's evolution. North Wales' industrial past is also palpable through the port remnants of Slate Quay, highlighting Caernarfon's wealth beyond its fortress.
Your path then crosses Shire Hall, a county administrative building constructed in the 19th century. Its Georgian/Victorian architecture symbolizes Caernarfon's administrative importance as the seat of local authority, even after the Norman conquest. This major public building embodies Welsh governance at the regional level. By exploring this thematic circuit, you perceive how Caernarfon has maintained its identity and institutions through the centuries. The clues revealed here will help you understand the links between local power and the Roman legacy of the Segontium site, where Roman legions left their mark.
Finally, your journey takes you to the heart of English power: Caernarfon Castle. This fortress, built between 1283 and 1330 by Edward I of England, is a symbol of the Norman conquest of Wales. With its polygonal towers and crenellated walls inspired by Constantinople, this castle has been a UNESCO World Heritage Site since 1986. It is here, on Y Maes, the historic public green space, that official investitures of the Princes of Wales have taken place since 1911, the last one being in 2023. This interactive visit to Caernarfon offers you a deep understanding of its history, its monuments, and its role as a major tourist destination in Gwynedd.
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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Delve into the deep roots of Welsh identity and culture, forged over centuries.
Follow in the footsteps of Llywelyn ap Gruffudd, the prince who dared to defy English rule until the very end.
Explore the fall of the last independent prince and its lasting consequences for the Welsh nation.
Freedom is a breath, even after the fall, it whispers.
Llywelyn ap Gruffudd
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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Delve into Caernarfon's troubled past, a town where every stone whispers echoes of Welsh conquests and resistance.
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
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.
Entrée libre. Explorez les artefacts militaires romains et les reconstitutions de la vie quotidienne des légions romaines qui occupèrent le site jusqu'en 383 après J.-C.
12£. Plongez dans l'histoire de cette forteresse UNESCO, symbole de la conquête normande, et découvrez ses tours polygonales uniques.
Gratuit. Admirez les vestiges portuaires et les paysages de l'estuaire, témoins du commerce de l'ardoise et de la connexion de Caernarfon à la mer d'Irlande.
Environ 25£ par personne. Savourez des spécialités locales comme le Cawl (soupe traditionnelle) ou le Welsh Rarebit dans une auberge historique datant de 1522.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.