The Secret Session — Decipher Independence
From12€

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San Miguel de TucumánThe Secret Session — Decipher Independence
📍 San Miguel de Tucumán·🕐 2h – 2h30·📍 ~2.5 km
Also available as:HistoricalMysterySpy thriller

The Secret Session — Decipher Independence

Uncover the hidden truth behind July 9, 1816. Decipher secret votes, intercepted letters, and coded declarations that shaped a nation's birth in the shadows of Tucumán's colonial halls.

📱 1 to 10 phones · 1 team per phone · Independent codes

Difficulty
·From age 12 years
Starting point :Plaza Independencia

On July 9, 1816, delegates of the Congress of Independence cast their votes behind closed doors

8
stages
~2.5 km
route
2h – 2h30
at your pace
🚶
walking

The Secret Session — Decipher Independence

🎭Your Mission

You are an undercover agent, personally commissioned by General Manuel Belgrano in 1816 Tucumán, tasked with finding the original minutes of a secret session that changed the fate of an

Delve into the vibrant streets of San Miguel de Tucumán, the cradle of Argentine independence, and decipher the secrets of the proclamation of July 9, 1816.

Far more than an escape game

A game, a guided tour and a heritage guide — all in one

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.

🏛️
Hidden historical gems

At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.

📜
Anecdotes & legends

Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.

🏗️
Architecture & heritage

Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.

🚶‍♀️
Immersive wandering

Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.

🎙️
Immersive audio narration

A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.

📲
Yours forever

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. »

How does it work?

🏛️
Outdoor escape game

Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.

📱
On your smartphone

No app to download. Play directly from your browser. Guided step by step, at your own pace.

👨‍👩‍👧‍👦
Unlimited players

One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.

🎯
Augmented reality

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.

🤖
AI that helps you

Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.

🗣️
32 languages

French, English, German, Spanish, Italian + 27 other languages auto-translated by AI.

🎟️

Want to go deeper?

Places tied to your adventure — optional entries, totally up to you · per person

Manuel Belgrano Folk Museumoptional
Free entry. Explore collections of regional crafts and traditions from northwestern Argentina, reflecting local culture.
Optionnel
/pers.
Casa Padilla Museumoptional
Indicative price ARS 1500. Admire colonial architecture and art and history exhibitions in this historic mansion in downtown Tucumán.
Optionnel
/pers.
Tucuman empanada tastingoptional
Indicative price ARS 500. Taste the famous empanadas, a culinary specialty of San Miguel de Tucumán, at a local restaurant.
Optionnel
/pers.
Visit 9 de Julio Parkoptional
Free access. Enjoy a relaxing stroll in the city's largest green space, ideal for a break after historical exploration.
Optionnel
/pers.
Budget if you do them all / pers.~0

The story that haunts this land

Your quest begins in Plaza Independencia, the beating heart of San Miguel de Tucumán, surrounded by palms, lapachos, oaks, and orange trees. This central square commemorates the Argentine declaration of independence on July 9, 1816, a crucial event that occurred right here. Around the statue of Libertad, you begin to gather the first clues, deciphering the hidden symbols in the neoclassical architecture of the nearby cathedral. It is here that the effervescence of the era, the hopes and tensions that preceded the founding act, are felt, marking the starting point of your exploration of the northwestern heritage.

A few steps away, the Casa Histórica de la Independencia awaits you, the colonial building where the declaration of independence was proclaimed on July 9, 1816. The Oath Room, remaining intact with its period furniture, transports you directly to that historic day. This free museum presents the history of the war of independence, detailing the events that led to the emancipation of the United Provinces of the Río de la Plata. By exploring this historic monument from 1816, built in the 18th century, you discover how the founding fathers shaped the future of Argentina.

Your journey then takes you to the Casa del Gobierno, built at the beginning of the 20th century and the seat of the provincial executive power of Tucumán. Located in the immediate vicinity of Plaza Independencia, this building testifies to the post-independence administrative organization. Although later than the declaration, this historic downtown building illustrates the continuity of governance and the evolution of the young Argentine nation. Here you will find elements that shed light on the implementation of the ideals of freedom proclaimed in 1816, further solidifying your understanding of Tucumán's history.

The Catedral de San Miguel de Tucumán, a neoclassical edifice on Plaza Independencia, is a key stop for understanding the city's history and architecture. This major religious site in the historic center has witnessed generations and celebrations related to independence. Guided tours of Tucumán often highlight its role in the civic and spiritual life of the city. By examining its details, you uncover clues about the networks and religious support that may have played a role, even a discreet one, in preparing the secret session you are investigating.

Finally, you reach Plaza Belgrano, a square honoring Manuel Belgrano, an emblematic figure of Argentine independence. The general's statue, rich in military symbolism, evokes his decisive role in the war of independence. This square, located in the historic district of San Miguel de Tucumán, is a place of remembrance and recognition. By concluding your thematic circuit in the northwest, you have not only discovered the historic monuments of 1816 but also reconstructed the thread of events that led Argentina to its independence, transforming a simple visit to Tucumán into a true historical immersion.

1810
May Revolution in Buenos Aires, marking the beginning of the independence process.
1816
The Congress of Tucumán officially declares Argentina's independence.
1853
Promulgation of the Argentine Constitution, inspired by the ideals of the founding fathers.

The Route

8 stages through the city

The gameplay: AR, camera, hidden clues

📱Search clues with your cameraRA

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.

8
original puzzles
24
min of narration
🪙 24
TripCoins granted
16
GPS waypoints

How does it work with a group?

One phone = one team. Pick the number at checkout (1 to 10).

🧍
1 phone

Solo, or a group sharing the screen. One team, one code.

👥
2-3 phones

Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.

👨‍👩‍👧‍👦
4 to 10 phones

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.
🕒No date to pick · Code valid 1 year · Play whenever you want

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

Practical info

Starting point
Plaza Independencia
Directions on Google Maps
🕐
Duration
2h – 2h30
At your own pace
👥
Players
Unlimited
From age 12
📍
Distance
~2.5 km
Historic center
Accessibility
Partial
Uneven pavements
🌐
Languages
17 languages
Built-in translation

Why this route?

📜

Historic Declaration

Dive into the founding event of Argentina: the 1816 Declaration of Independence in Tucumán.

🕵️‍♂️

Political Investigation

Uncover the secrets and machinations surrounding the birth of the nation, revealing a register of hidden alliances.

🏛️

Colonial Architecture

Explore the historic streets and buildings of San Miguel de Tucumán, silent witnesses to a bygone era.

Independence is the fruit of wisdom and firmness.

Manuel Belgrano

★ Innovation 2026

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

Q01Do I need to download an app?

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.

Q02Does it work offline?

GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.

Q03How long does a game take?

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.

Q04What happens if I'm stuck?

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).

Q05What's the age range?

From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.

Q06What if my city isn't in the catalogue?

Pre-register or contact us — we'll email you as soon as your city is live.

Q07What is augmented reality exactly?

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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Your turn to play

Delve into the vibrant streets of San Miguel de Tucumán, the cradle of Argentine independence, and decipher the secrets of the proclamation of July 9, 1816.

12€
1 phone
23€
2 phones
33€
3 phones
42€
4 phones
50€
5 phones
56€
6 phones
62€
7 phones
68€
8 phones
74€
9 phones
80€
10 phones

1 purchase = 1 phone. Play several on the same device.

🕒No date to pick · Code valid 1 year · Play whenever you want
Get my code · 12€

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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