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Uncover the secret oath sworn within Guimarães Castle that forged Portugal's destiny. Decode clues across medieval landmarks to expose the hidden pact of Afonso Henriques before a dark curse silences it forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadowed towers of Guimarães Castle, 12th-century whispers echo a forbidden oath
You are a court chronicler of King John I, dispatched in 1385 to Guimarães, the birthplace of the Portuguese nation, on a clandestine assignment.
Your mission: uncover
Walk on the cobblestones where Afonso Henriques swore his oath in 1128 and founded independent Portugal, in the medieval city inscribed on the UNESCO World Heritage list.
Your investigation begins at Largo da Oliveira, historic square inscribed on the UNESCO World Heritage list in 2001, named after the adjacent church that has dominated this nerve center since the Middle Ages. The Igreja de Nossa Senhora da Oliveira, founded around 1100 by Afonso Henriques himself, stands before you with its Gothic facade rebuilt in the 14th century. Its sculpted portal from 1420 guards the secrets of a legendary miracle that occurred during the Reconquista in 1128, when the future king of Portugal sought divine protection before his decisive victory.
At the center of the square, the Padrão do Salado rises 5 meters of Gothic stone since 1372. John I of Portugal had this monument erected to commemorate the battle of Aljubarrota in 1385, decorated with biblical and royal scenes that tell of dynastic legitimacy. Initially built in Ourém, this witness to Portuguese independence was moved to Guimarães in 1848, as if to remind us that everything begins here, in this city where the nation was born.
Rua de Santa Maria guides you along 300 meters of medieval cobblestones dating from the 12th century, one of the oldest arteries in Guimarães. Its traditional Portuguese houses line the path to the Paço dos Duques de Bragança, ducal palace built between 1401 and 1420 by Afonso de Bragança, illegitimate son of John I. This Gothic-Manueline architecture spanning 3000 m² served as residence to the Braganza dynasty until the 17th century, before becoming a national museum in 1933.
Castelo de Guimarães crowns your route, founded around 968 by Countess Mumadona Dias then rebuilt in the 12th century by Afonso Henriques. Its 15-meter high walls protect the Igreja de São Miguel do Castelo, 13th-century Romanesque chapel where the first king was baptized in 1109. This unique 10-meter long nave still echoes with the oath that founded independent Portugal in 1128, when Afonso Henriques swore to liberate his territory from Leonese rule.
Your mission ends at Porta da Vila, 14th-century fortified gate 8 meters high, adorned with royal coats of arms that proclaim "Aqui Nasceu Portugal" — Here Portugal was born. You leave with intimate understanding of this motto carved in every stone of Guimarães, city where an oath from 1128 changed the course of Iberian history. More than a tourist route, you have lived the founding epic of a nation, one that unfolded in these cobbled streets nearly nine centuries ago.
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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Follow in the footsteps of Afonso Henriques, the first king of Portugal, and unravel the threads of his destiny to reconstruct history.
Explore the emblematic places where the country's independence was decided during the decisive Battle of São Mamede in 1128.
Reconstruct the fragments of an ancient charter that sealed the birth of a nation and its royal destiny.
The past is never really dead, it's not even past.
William Faulkner
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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Walk on the cobblestones where Afonso Henriques swore his oath in 1128 and founded independent Portugal, in the medieval city inscribed on the UNESCO World Heritage list.
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.
3€. Collection d'art sacré médiéval dans l'ancien couvent de Nossa Senhora da Oliveira, avec des pièces uniques du trésor royal.
8€. Palais du XVIIIe siècle transformé en centre d'art contemporain, programmation théâtrale et expositions temporaires.
15€. Découverte des vins blancs pétillants du Minho dans une cave historique, accompagnés de fromages locaux et broa de milho.
6€. Montée vers le sanctuaire de Nossa Senhora da Penha à 617 mètres d'altitude, panorama exceptionnel sur Guimarães et la vallée du Minho.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.