Ouro Preto — Tiradentes' Secret
Ouro Preto, 1789. Uncover Tiradentes' hidden code that could have sparked Brazil's independence. Decode clues across colonial landmarks to expose the Inconfidência Mineira conspiracy before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In 1789, amid the fading gold rush of Vila Rica (now Ouro Preto), Joaquim José da Silva Xavier, known as Tiradentes, led the Inconfidência Mineira—a daring plot to free Brazil from Portuguese tyranny
Ouro Preto — Tiradentes' Secret
You are a clandestine associate of the Inconfidência Mineira, arriving in Vila Rica, 1789, just after Tiradentes' arrest.
Your mission: uncover the cipher
Tiradentes — The ultimate message of the martyr for freedom
« Se todos fossem iguais a Tiradentes, não haveria razão para temer. »— Popular quote about Tiradentes
The Gold and Blood of the Inconfidentes
In the 18th century, Ouro Preto, then Vila Rica, was the beating heart of colonial Brazil, drawing gold from the mines to Portugal. This colossal wealth led to sumptuous baroque architecture, but also fierce exploitation. The Portuguese Crown imposed the "quinto", a one-fifth tax on all extracted gold, and threatened the "derrama", a forced collection to meet unfulfilled quotas, plunging the population into misery and indignation.
It was in this context of latent revolt that the Inconfidência Mineira matured in 1789. Intellectuals, soldiers, poets, and ecclesiastics, inspired by Enlightenment ideals and American independence, conspired to free the captaincy of Minas Gerais from Portuguese rule. Tiradentes, an alferes (ensign) and dentist, was one of the most ardent figures of this movement. Betrayed, he was arrested, tried, and executed in a public square in Rio de Janeiro in 1792, becoming an immortal symbol of the struggle for Brazilian independence.
How does it work?
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.
The game downloads to your phone on start. Once the "✓ Downloaded" indicator appears, everything works without data — narration, AR, GPS and puzzles. Perfect abroad without a data plan.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The Route
5-10 curated sites across the territory
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.
How does it work with a group?
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.
- ✓All codes are independent — play at the same time OR separately, each team advances at its own pace.
- ✓Leaderboard between your teams + global game leaderboard — each score appears in the public ranking.
- ✓More than 10 phones or need a personalized quest? Discover custom tours.
Ready to live this adventure?
Get my code · 14,90€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Majestic Baroque Art
Admire Aleijadinho's masterpieces and the golden churches, symbols of the era's wealth and faith.
Thrilling Historical Investigation
Dive into the heart of a conspiracy for independence, following in the footsteps of Tiradentes and the Inconfidentes.
UNESCO World Heritage Site
Explore a classified site and its cobbled streets, a living testament to the Golden Age of colonial Brazil.
The Gold of Freedom
Tiradentes' sacrifice still echoes in the mountains of Minas.
9 features nobody else has
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
AR treasure chest
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
AR narrator character
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.
Magic golden letters
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
Written + audio narration
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.
360° radar + vibration
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Heritage storytelling
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
Progressive AI hints
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
AR selfie memento
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
Zero app to install
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
Frequently asked questions
Q01Is Ouro Preto — Tiradentes' Secret similar to a treasure hunt?
Same spirit: search, deduce, find. But here the "treasure" is a full story to piece together in eight stops. Each stop gives you a fragment of the final code. Eight fragments later, you've cracked it.
Q02Can we split Ouro Preto — Tiradentes' Secret across two days?
Yes — your code stays active and progress is saved. You can start Saturday afternoon, finish Sunday morning. Some players actually prefer this format to make the most of a full weekend on site.
Q03Can we play Ouro Preto — Tiradentes' Secret as a couple?
Great two-person format. Narration is dramatic without overdoing it, puzzles are designed to spark conversation. Ideal for new relationships or anniversaries — you discover the city and coordinate on puzzles simultaneously.
Q04Do we need 4G data to play?
Intermittent 4G is plenty. Maps are cached at startup. Narration and clues load per stop, so a so-so signal between stops is fine. GPS itself uses no data.
Avis des aventuriers
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Your turn to play
Decipher Tiradentes' secret legacy and honor his memory by traversing the iconic sites of his fight for independence.
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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