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Decipher the coded letters left by Chico da Matilde, the legendary jangadeiro who defied slavery in 1881. Uncover the conspiracy that nearly silenced his rebellion and expose the truth hidden in Fortaleza's waterfront.
📱 1 to 10 phones · 1 team per phone · Independent codes
On March 21, 1881, Francisco José do Nascimento — known as Chico da Matilde — refused to transport enslaved people aboard his jangada, igniting the abolitionist movement that would shake Ceará
You are Governor João Alfredo Ferreira of Ceará, 1884, embarking on a quest for hidden proofs of Francisco José do Nascimento's courage, known as Dragão do Mar.
Your mission
Delve into 19th-century Ceará, following the footsteps of the man who defied the system to liberate lives in Fortaleza.
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 adventure begins at the Centro Dragão do Mar de Arte e Cultura, a cultural complex inaugurated in 1999, whose distinctive architecture and pedestrian areas make it an ideal starting point for a treasure hunt. At the entrance, you are greeted by the Estátua do Dragão do Mar, erected in 1998 in honor of Francisco José do Nascimento, the abolitionist jangadeiro (1810-1884). This 5-meter statue symbolizes his anti-slavery resistance, which, from the 1860s, saw him refuse to transport slaves, thus contributing to local abolition. The complex, spanning approximately 40,000 m², is an IPHAN National Heritage site that houses a museum, a theater, and galleries, and pays tribute to this national hero whose actions forced the closure of slave markets in Fortaleza as early as 1871.
The route then leads you to the Fortaleza de Nossa Senhora da Assunção, 1 km from the Centro Dragão do Mar. Built between 1637 and 1644 by the Dutch under the name Schans Nossa Senhora de Assunção, this historic fortification was retaken by the Portuguese in 1654. Covering approximately 16,000 m², it is classified as IPHAN National Heritage and represents the heart of the historic Praia de Iracema district. This essential site testifies to the nordeste's colonial era and the power struggles that shaped the city of Fortaleza, a crucial context for understanding the challenges faced by Dragão do Mar.
Less than 1 km from the fort, you discover the Passeio Público, Fortaleza's oldest public garden, inaugurated in 1825. Designed by the French engineer Louis Moreau, this 33,000 m² garden was enhanced with lakes, statues, and Gothic bridges in 1889. This place, historically popular for strolls since the Brazilian empire, offers a perspective on the social and political life of the era. Nearby stands the Palácio da Luz, built in 1810 as a prison, then transformed into an imperial palace in 1824 for Pedro I. This building, although modest in area and now a museum, was illuminated for imperial festivities, and its history is linked to the arrival of the Portuguese court in Brazil, marking a period of profound changes for the nordeste.
Your quest takes you to Praça do Ferreira, a historic square created in 1812, located approximately 1.5 km from Dragão do Mar via a pedestrian route. This eclectic city center, adorned with 19th and 20th-century monuments and architecture, was a major site for abolitionist demonstrations. It is named after João Alfredo Ferreira, governor of Ceará from 1876 to 1880, a fervent promoter of anti-slavery. Nearby, the Mercado Central de Fortaleza, inaugurated in 1953 in an Art Deco building from an 1890 sugar factory, offers over 500 stands of Cearense craftsmanship. These historical elements of the Centro Histórico Fortaleza are perfect for discovering hidden clues and the city's cultural richness.
As you complete your thematic circuit through Fortaleza, you will have not only discovered the key monuments of the city's Centro Histórico but also perceived the spirit of resistance that animated Ceará. From the actions of Francisco José do Nascimento, the Dragão do Mar, to the commitment of João Alfredo Ferreira, these historical figures shaped the IPHAN National Heritage you explore. This interactive visit allows you to understand the challenges of abolitionism in the Brazilian nordeste and to see how every stone, every square in Fortaleza tells a part of this history. This augmented reality GPS scavenger hunt is a deep immersion into the history of Fortaleza and its heroes.
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
Trace the legacy of the sailors who defied the Empire, at the heart of the fight for the abolition of slavery.
Unravel the history of the pioneering province that became Brazil's first 'Land of Light'.
Reconstruct a clandestine document that listed resistance and support networks for escaped slaves.
Trace the path to freedom
Outwit history's oblivion and honor Ceará's heroes.
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 19th-century Ceará, following the footsteps of the man who defied the system to liberate lives in Fortaleza.
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.
Accès gratuit. Explorez les collections dédiées à l'histoire audiovisuelle du Ceará et ses personnalités culturelles.
Accès gratuit. Découvrez l'art visuel du Ceará, avec des œuvres d'artistes locaux et nationaux dans un cadre moderne.
Prix indicatif 5-15€. Goûtez à ces spécialités culinaires du nordeste brésilien dans les marchés locaux ou restaurants traditionnels de Fortaleza.
Accès libre. Profitez d'une balade le long du front de mer historique, avec ses pontons et ses vues sur l'océan Atlantique.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.