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Alajuela, 1856. Uncover the truth behind Juan Santamaría's heroic sacrifice in the Battle of Rivas. Decode clues from monuments to expose a filibuster conspiracy threatening the nation.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1856, Alajuela's streets echoed with the clash of the Filibuster War
You are a secret envoy dispatched by President Juan Rafael Mora to Alajuela, 1856, as the threat of filibusters looms over the young nation.
Your mission: to thwart
Dive into the heart of Alajuela, the city of mangoes and roses, to relive the fervor of the National Campaign and the epic tale of hero Juan Santamaría.
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
« Alajuela, city of mangoes and roses »— Official motto of the city of Alajuela
Your quest begins at Parque Central de Alajuela, the city's historic central square. Since the 19th century, this place has been the gathering point for civic events and national holidays, including the celebration of Juan Santamaría. Surrounded by colonial buildings, it was the scene of Juan Rafael Mora's passionate speeches, calling on the people to defend the homeland against the filibusters in 1856. It is here, in the heart of Alajuela's historic district, that the first rumors of conspiracy reach you, hidden in the architectural details of the square, adjacent to the cathedral and the old gobernación.
A few steps away, the Catedral de Alajuela, consecrated to Our Lady of the Pillar, stands proudly. Built in 1888 in a neoclassical style with an imposing facade, it was the city's main place of worship since its foundation. As Juan Rafael Mora, you observe this emblematic building, visible from Parque Central, less than 200m away. Its walls undoubtedly heard the prayers of soldiers' families who went to the front in 1856-1857, and its foundations may hold messages hidden by unexpected allies, clues to thwart the invaders' plans.
Your investigation then leads you to the Antigua Gobernación de Alajuela, a 19th-century colonial administrative building, former seat of the provincial government. Located facing Parque Central, it was used for official functions as early as the 1830s. This neoclassical architecture was an emblem of local power during the National Campaign. It was in these offices that defense strategies were developed and orders were given. You search for hidden archives, secret correspondences that could reveal the extent of the filibuster conspiracy and the names of its agents in Alajuela.
The route takes you to the Monumento a Juan Santamaría, erected in 1891 in honor of the national hero (1831-1856). This statue depicts Santamaría carrying a torch to set fire to the invaders' fort during the Battle of Rivas, a key event on April 11, 1856. Located in the city center, in the immediate vicinity of Alajuela's Parque Central, this monument embodies the courage of the simple soldier. As President Mora, you must decipher the message engraved on the pedestal, a call to resistance that must galvanize citizens and recall the tambor's sacrifice, a flame of honor for Costa Rica's historical heritage.
Your quest concludes at Parque Juan Santamaría, near the Museo Histórico Cultural Juan Santamaría, opened in 1972 to honor the hero. The museum exhibits artifacts from the National Campaign of 1856-1857 and houses Santamaría's original portrait. It is here, in the city of Alajuela, that you gather the final elements. You have walked through the historic streets, from the Mercado Central, a lively hub of local commerce since 1910, to the schools bearing the hero's name. Your thematic circuit has revealed the history of Alajuela, its monuments, and the strength of its people. You carry with you the pride of having contributed to the defense of Costa Rica and the memory of a hero whose name still resonates in the heart of the nation.
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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Dive into the heart of the courage and determination that shaped Costa Rica.
Relive the key moments of the National Campaign and Juan Santamaría's emblematic act.
Uncover the strategies and unity of a people fighting for their sovereignty.
Homeland above all. Honor more than life.
The creed of the heroes of 1856.
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 Alajuela, the city of mangoes and roses, to relive the fervor of the National Campaign and the epic tale of hero Juan Santamaría.
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 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 de la Campagne Nationale de 1856-1857 et admirez le portrait original de Juan Santamaría.
Accès libre. Imprégnez-vous de l'ambiance d'un marché traditionnel du début du XXe siècle, avec plus de 100 stands animés.
Accès libre. Flânez dans les rues historiques pour admirer les bâtiments du XIXe siècle et l'architecture néoclassique de l'Antigua Gobernación.
Prix indicatif : 5-10€. Goûtez aux saveurs emblématiques d'Alajuela, la ville des mangues et des roses, auprès des vendeurs locaux.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.