Las Vegas — Ashes of Silence
Decipher censored files and outwit government cover-ups to expose the hidden victims and secret fallout of Nevada's atomic tests in this tense urban quest.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadow of the neon lights of Downtown Las Vegas, a chilling conspiracy unfolds
Atomic Age Las Vegas: Between Fear and Fascination
In the shadow of the neon lights of Downtown Las Vegas, a chilling conspiracy unfolds. During the 1950s Nevada Test Site atomic detonations, just 65 miles northwest, the U.S. government silenced eyewitnesses, doctors, and downwinders who suffered from radiation poisoning. Official reports were doctored, health data buried, and 'safe' zones declared amid glowing skies visible from Fremont Street. The 'Ashes of Silence'—a coded dossier smuggled by a rogue scientist—holds the uncensored truth: maps of fallout patterns, victim testimonies, and proof of deliberate censorship to protect Cold War secrets. Now, the dossier has resurfaced in Downtown Las Vegas, fragmented across iconic landmarks that witnessed the blasts' eerie glow. Atomic-era neon signs flickered warnings ignored, veterans' memorials whisper of poisoned soldiers, and public art stands as silent protest. You must decode cryptic clues etched in the urban fabric, bypass digital redaction traps, and connect the dots before the trail vanishes. Uncover the suppressed voices, reveal the human cost, and shatter the silence—or let the ashes settle forever.
« We knew it was something big, but they told us it was perfectly safe. We watched it from our rooftops with our cocktails. »— A Las Vegas resident, 1951
The Era of the Desert Mushroom Cloud
The Nevada Test Site (NTS), established in 1951 by the Atomic Energy Commission, became the primary location for nuclear weapons testing in the United States. Located just 65 miles northwest of Las Vegas, the NTS conducted over 1,000 nuclear explosions, including about a hundred atmospheric tests, before the 1963 treaty. These tests transformed the landscape, not only with giant craters but also with their impact on local culture.
During the 1950s and early 1960s, Las Vegas residents and tourists watched the detonations as a spectacle, drinking 'atomic cocktails' and hosting 'atomic parties' on hotel rooftops. This fascination coexisted with growing fears of radioactive fallout and health concerns for 'downwinders,' populations exposed to the clouds. The secrecy surrounding these operations long obscured the full truth of their consequences.
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 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?
Cold War Espionage
Immerse yourself in the paranoid atmosphere of the Cold War and state secrets.
Desert Secrets
Explore the connections between nuclear tests and Nevada's unique landscape.
Forgotten Witnesses
Give a voice back to the suppressed narratives and truths of the atomic age.
The glow of the past, the truth of the present.
Every shadow tells a story. Will you be brave enough to listen?
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
Decipher the clues left by scientists and activists, piece together the secret protocol of the Nevada Test Site, and reveal the hidden side of Las Vegas's atomic age. Your quest begins now.
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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