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Decipher the supernatural mystery behind La Negrita's miraculous returns. Uncover why the Black Virgin refuses to stay hidden and what secret the spring beneath the Basilica guards.
📱 1 to 10 phones · 1 team per phone · Independent codes
August 2, 1635
You are a chronicler from the Bishopric of Nicaragua, dispatched to Cartago in 1635 to document the apparitions of La Negrita.
Your mission: reconstruct the journey
Dive into the heart of Cartago, Costa Rica, following the footsteps of La Negrita, the mysterious black stone that shaped a nation's spiritual identity.
Your quest begins at the entrance of the Basílica de Nuestra Señora de los Ángeles, in Cartago. This edifice, rebuilt in 1926 after multiple earthquakes, notably the destructive one of 1910, is the guardian of La Negrita. The 60-meter-long central nave can accommodate up to 5,000 worshippers, who come from all over the world. It is here, in a niche behind the main altar, that the small black stone discovered by Juana Pereira in 1655 is preserved, marking a major national pilgrimage site for Costa Rica, culminating every August 2nd with over 2 million visitors.
A few steps from the Basílica, you discover the Piedra de las Apariciones, integrated into the Jardines de la Basílica. This rock marks the exact spot of the first apparition of La Negrita to Juana Pereira on August 2, 1635. It is here that the Virgin, according to tradition, asked the child to build a church. This site, classified as a national historical monument since the 1960s, is a central element of the Costa Rican pilgrimage and a testament to Costa Rica's religious heritage. You continue your visit of Cartago by heading towards Parque María Auxiliadora, a historic green space less than 500m from the Basílica, which has offered a resting place for pilgrims since the early 20th century.
Your journey leads you to the Ruinas de Santiago Apóstol, neoclassical remains of Cartago's original cathedral, built in 1575. Destroyed by a volcanic eruption in 1723 and then by successive earthquakes, these ruins cover 2,500 m² and were declared a National Monument in 1920. 400m from the Basílica, these ruins are a reminder of the city of Cartago's resilience in the face of nature's forces. They allow you to understand the long history of reconstruction and faith that characterizes the Cartago region, an essential aspect of Cartago's heritage.
Next, the Plaza Mayor de Cartago, formerly Plaza de Armas, reveals itself to you. Redesigned in the 19th century, this central square is surrounded by colonial buildings and was the scene of historical gatherings. 600m from the Basílica, it forms the heart of Cartago's pedestrian district. In the center, the equestrian statue of Juan Santamaría, hero of 1856, installed in 1891, anchors the square in the nation's civil history. Right next to it, the Antigua Gobernación de Cartago, an 18th-century colonial building constructed around 1740, now houses a museum restored in 1980, preserving archives and artifacts from the Spanish colonial era.
Your exploration of Cartago concludes at the Mercado Municipal de Cartago, a covered market built in 1910 in a metallic style inspired by Les Halles de Paris. Spanning 4,000 m², 800m from the Basílica, this market is a historic commercial point and a vibrant daily life hub, classified as local architectural heritage since 1995. This themed walking circuit through Cartago, combining history, faith, and local life, offers a complete immersion in Costa Rica's religious heritage and the legacy of La Negrita, beyond a simple visit to Cartago. You will carry with you the memory of a city where every stone tells a story of faith and perseverance.
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
Dive into the history of unwavering faith and a miracle that endures through centuries.
Decipher the signs left by time to understand the true meaning of La Negrita's apparitions.
Connect with indigenous traditions that blended with Catholic fervor to forge the legend.
Faith moves mountains... and makes statues reappear.
Unravel the mystery that draws millions of souls to Cartago.
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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Dive into the heart of Cartago, Costa Rica, following the footsteps of La Negrita, the mysterious black stone that shaped a nation's spiritual identity.
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.
Prix indicatif : 5€. Explorez les archives et artefacts coloniaux de Cartago dans cet ancien palais du gouvernement datant du XVIIIe siècle.
Accès libre. Promenez-vous dans les jardins paisibles de la Basílica et découvrez la Piedra de las Apariciones, lieu du miracle de La Negrita.
Prix indicatif : variable. Goûtez aux saveurs locales du Costa Rica dans ce marché historique de 1910, classé patrimoine architectural.
Accès libre. Profitez d'un moment de détente dans ce parc historique du début du XXe siècle, un lieu de repos pour les pèlerins à Cartago.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.