The Trelew Cover-Up — Uncover the Truth Behind the 1972 Massacre
Decode the hidden evidence of the Trelew Massacre. Navigate the sites of Argentina's darkest military secret and expose the conspiracy that silenced 16 voices.
📱 1 to 10 phones · 1 team per phone · Independent codes
August 22, 1972
The Trelew Cover-Up — Uncover the Truth Behind the 1972 Massacre
You are an investigative journalist, secretly dispatched to Trelew, Chubut, in 1972.
Arriving three days after the massacre, your official cover is to report on the
Pierce through the official silence surrounding the Trelew massacre of August 22, 1972, where 16 political prisoners were executed at the Argentine naval air base.
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.
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. »
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.
Want to go deeper?
Places tied to your adventure — optional entries, totally up to you · per person
The story that haunts this land
Trelew begins your investigation at the Monumento a los Colonos Galeses in Plaza Centenario, erected in 1965 to celebrate the centenary of Welsh settlers' arrival in Patagonia. This official commemoration masked a darker reality: in 1972, this same square served as a gathering point for security forces before their operations. The archives of Museo Regional Pueblo de Luis, founded in 1951, preserve testimonies about Argentina's dark years that censorship long concealed.
The Museo Paleontológico Egidio Feruglio, opened in 1999, symbolizes Trelew's scientific renaissance after the dictatorship years. But in 1972, this neighborhood housed military intelligence offices where political prisoners' files transited. Plaza Independencia, the city's administrative heart since 1889, witnessed silent demonstrations after the massacre, quickly suppressed by Chubut province authorities.
Capilla Moriah, built by Welsh colonists in the 19th century, became a discreet refuge for victims' families seeking information about their missing relatives. The Banco de la Nación Argentina, symbol of early 20th-century economic modernization, served as an unofficial relay for funds destined to bereaved families, under cover of standard banking operations.
Hotel Touring Club, historic downtown establishment, housed foreign journalists investigating the massacre, but under constant surveillance by secret services. Its registers, now accessible, reveal the presence of international correspondents who helped expose the truth about the events of August 22, 1972 at Almirante Marcos A. Zar naval air base.
This route through Trelew reveals how a city founded by peaceful immigrants in 1889 found itself at the heart of one of the Argentine dictatorship's most tragic episodes. Between Welsh memory and contemporary political history, you gain understanding of a territory where cultural heritage and state crimes intertwine, living testimony to Patagonian history's complexity.
The Route
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.
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 · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Secret Journal
Reconstitute Lewis Jones' journal, piece by piece, to reveal his hidden ambitions for the colony.
The Railway Epic
Follow the path of the old railway, key to the city's development and its very name.
Welsh Heritage
Immerse yourself in the history of the Welsh settlers, their perseverance, and their unique culture in Patagonia.
The past whispers its secrets to those who know how to listen.
Reveal the foundational vision of a Welsh Patagonia.
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.
Avis des aventuriers
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Your turn to play
Pierce through the official silence surrounding the Trelew massacre of August 22, 1972, where 16 political prisoners were executed at the Argentine naval air base.
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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