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Uncover the conspiracy behind Belém's rubber boom collapse. Decipher coded ledgers, expose industrial espionage, and track the fortune that vanished when the monopoly crumbled.
📱 1 to 10 phones · 1 team per phone · Independent codes
Between 1870 and 1910, Belém transformed into the world's rubber capital
You are a private investigator in Belém, Brazil, 1912, tasked with decoding the vanished fortune of the rubber barons.
Your investigation begins in Belém, following a
Delve into the opulence and secrets of Belém, the capital of Pará, shaped by the golden age of rubber between 1870 and 1910.
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 quest begins at Praça da República, the historic central square of Belém, a true heart of the district where rubber barons heavily invested in urban architecture. Here you observe 19th-century buildings, erected during the period of economic prosperity linked to the rubber boom (1870-1910). Belém then became one of Brazil's most prosperous cities, and this square was a focal point of its urban development and public gatherings, reflecting the power of fortunes derived from latex.
A short walk away, Theatro da Paz, built in 1874, stands as a symbol of the seringalistas' opulence. Funded by the wealth of the rubber boom that transformed Belém into the prosperous capital of Pará, this neoclassical theater, with a capacity of 1,000 seats, was inaugurated during the city's economic heyday. It was during this era that Belém rivaled European capitals, displaying an unprecedented cultural and architectural sophistication in the Norte region.
Your journey then leads you to Palácio Antônio Lemos, built between 1883 and 1885 as the governor's palace. This edifice, with its Manueline style architecture and neoclassical influences, reflects the fortune accumulated by Belém's rubber elites. The palace, covering an area of 3,200 m², was occupied by Antônio Lemos, a governor whose influence was profound on the latex economy during the boom (1879-1912), marking the era of Amazonian prosperity.
Mercado Ver-o-Peso, a floating market inaugurated in 1901, is the next stop. Built with revenues from the rubber trade, it made Belém a major export hub. Its metal structure, imported from Europe, and its 13,000 m² covered area made it the center of Amazonian river trade at the turn of the 20th century. During the rubber boom, Belém exported latex bales via this market to Europe and the United States, consolidating its role in global commerce.
Finally, your exploration takes you to Casa das Onze Janelas, a mansion built around 1860 and renovated during the rubber boom, now a contemporary art museum. Its 11 iconic windows and 19th-century architecture were funded by the wealth from latex exports from Belém. This property, owned by families linked to Amazonian trade, much like Forte do Presépio, built in 1615 as the starting point for rubber river routes, offers you a complete perspective on the rubber boom in Brazil, its impact on Pará's historical heritage, and Belém's 19th-century architecture. You leave with an understanding of the economic and social issues that shaped this Norte city.
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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Wander through Belém's streets and admire the sumptuous buildings that bear witness to the wealth of the rubber boom's golden age.
Dive into the history of latex and its major influence on the region's economy and culture.
Uncover the secrets of a visionary engineer and reconstruct a plan that could have changed the course of industrial history.
The Golden Age of Rubber
A legacy to preserve
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 the opulence and secrets of Belém, the capital of Pará, shaped by the golden age of rubber between 1870 and 1910.
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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15 R$. Explorez la faune et la flore amazoniennes, ainsi que des collections ethnographiques et archéologiques, pour compléter votre immersion dans la région du Norte.
Gratuit. Ce parc offre une expérience de la biodiversité amazonienne avec des oiseaux, des papillons et une vue panoramique sur la ville de Belém depuis son phare.
10-20 R$. Goûtez cette soupe amazonienne traditionnelle à base de tucupi, de manioc et de crevettes, un pilier de la cuisine de Belém, souvent vendue par les "tacacazeiras" de rue.
Gratuit. Découvrez le cœur historique de Belém, incluant le Forte do Presépio, la Casa das Onze Janelas et la Cathédrale de Belém, témoins de la fondation de la ville en 1616.
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