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Uncover the posthumous conspiracy behind Inês de Castro's forbidden love and cursed crowning. Decode clues across Coimbra's tear-stained sites to expose her assassins before the final judgment.[1]
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1355, Inês de Castro, beloved of Crown Prince Pedro, was brutally murdered by his own brothers in a plot to end their forbidden union
You are a royal archivist serving Peter I of Portugal in 1355, tasked with reconstructing the truth behind the assassination of Inês de Castro.
Your mission leads you to Coimbra'
Unravel the tragic fate of Inês de Castro, posthumous queen of Portugal, through an immersive journey in Coimbra's history-laden streets.
« Inês de Castro, queen after death. »— Anonymous inscription, Inscription on the Fountain of Tears, Quinta das Lágrimas, Coimbra
Your quest begins on the Ponte de Santa Clara, a 440-meter-long structure completed in 1899 by engineer Edgar Cardoso, connecting Santa Clara a Nova to Coimbra's historic center. This bridge, classified as Imóvel de Interesse Público in 2012, replaced an old medieval bridge damaged by floods of the Rio Mondego. It is here, on the riverbank, that the echoes of Coimbra's royal dramas mingle with the murmur of the water. Inês de Castro, a Galician noblewoman, was exiled to this region by Afonso IV, the father of her lover Peter I, before her assassination. The Mondego River was the silent witness to her suffering.
Continue your investigation towards the Sé Velha de Coimbra, the Romanesque cathedral built between 1162 and 1220 under Bishop Miguel Salomão. With its single 33-meter nave and 13th-century cloisters adorned with biblical scenes, this edifice was the site of the coronation of several Portuguese kings, including Sancho I in 1185. The thick walls of the Sé Velha absorbed the prayers and intrigues of the court, and it was in the shadow of these stones that fatal decisions concerning Inês de Castro may have been debated, marking Coimbra's heritage with an indelible imprint.
Your path then leads you to the Pátio das Escolas da Universidade de Coimbra, founded in 1290 by King D. Dinis. This inner courtyard, paved with 18th-19th century iron lintels, once served as student currency. The Porta dos Corros, dating from 1632, opens to the famous Biblioteca Joanina. Designated a UNESCO World Heritage site in 2013 for its criteria ii, iv, vi, this location was the intellectual heart of the kingdom. Here, the jurists and advisors of King Afonso IV certainly deliberated on the threat Inês posed to the royal lineage, in a Coimbra then in full cultural effervescence.
Explore the Jardim da Manga, a private garden laid out around 1550 by Archbishop João Manuel, nestled within the walls of the Mosteiro de Santa Cruz. Its central octagonal fountain, built in 1719, stands 4 meters high with a marble basin. This peaceful place is linked to the legend of the archbishop's ghost, documented since the 18th century. Although post-dating Inês's era, this garden represents the intimacy and secrets that Coimbra's walls have always harbored. Plots and passions have often been forged away from prying eyes, in spaces like this, through centuries and royal dynasties.
Your journey concludes in Praça do Comércio, an 18th-century Baroque square rebuilt after the 1755 Lisbon earthquake, surrounded by commercial arcades and dominated by the Church of Misericórdia from 1764. Before that, you will have visited the Mosteiro de Santa Clara-a-Velha, a Gothic monastery from 1250, and the Quinta das Lágrimas, the site of Inês's tragedy. This exploration of Coimbra's monuments, from the Sé Velha to the romantic 19th-century gardens, will have allowed you to grasp the full extent of the drama of Inês de Castro, a story of love and power that continues to resonate in the heritage of Central Portugal. You will carry with you the memory of a story that has spanned ages, in the heart of this UNESCO city.
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?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Relive the heartbreaking passion between D. Pedro I and Inês de Castro.
Unravel the reasons behind the most shocking act in Portuguese history.
Follow in the footsteps of King Pedro I in his relentless quest for justice.
Love is stronger than death, and a king proved it.
Untangle the threads of a royal story of passion and vengeance.
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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Unravel the tragic fate of Inês de Castro, posthumous queen of Portugal, through an immersive journey in Coimbra's history-laden streets.
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.
6€. Visitez le monastère construit au XVIIIe siècle pour abriter les Clarisses après l'inondation de Santa Clara-a-Velha, avec le tombeau de la reine Sainte Isabelle d'Aragon.
12,50€. Admirez l'architecture baroque de cette bibliothèque du XVIIIe siècle, abritant plus de 200 000 volumes anciens, un trésor du Pátio das Escolas.
3-5€. Goûtez cette pâtisserie conventuelle traditionnelle de Coimbra, faite de pâte feuilletée très fine et d'une garniture aux œufs.
Gratuit. Flânez dans les Jardins Botaniques de l'Université de Coimbra, fondés en 1772, un espace de verdure de 13,5 hectares avec des espèces rares.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.