Port Liberation
The port the Germans destroyed rather than surrender
📱 1 to 10 phones · 1 team per phone · Independent codes
Cherbourg held the only deep-water port in the region. The Germans rigged it with thousands of explosive charges and mines. The Allies had four days to neutralise it — or D-Day's logistics would collapse.
A booby-trapped port, a race against time
Cherbourg is the logistical keystone of D-Day. Without this deep-water port, the Allies cannot supply their advance. But General von Schlieben has received Hitler's order: destroy every quay, mine every basin, sabotage every crane. You are a saboteur infiltrated into the port — your mission: neutralise the charges before the last German officer gives the order to blow everything.
« "The port of Cherbourg must be rendered unusable for months. Not a crane, not a quay must remain intact." »— — Adolf Hitler's order to General von Schlieben, June 1944
The battle for France's most strategic port
From the earliest planning of D-Day, Cherbourg was identified as a priority objective. It was the only deep-water port on the Normandy coast, capable of receiving the supply ships needed for the Allied advance. Without Cherbourg, the Liberation's logistics relied entirely on beaches and the Mulberry harbour — insufficient long-term.
From June 22 to 26, 1944, the Battle of Cherbourg raged. American troops of the VII Corps, led by General Collins, encircled the city and advanced toward the port under heavy fire. General von Schlieben surrendered on June 26, but he had followed orders: the port was a field of ruins. Dynamited quays, mined basins, collapsed cranes, ships scuttled in the channels. Over 20,000 mines littered the port and its approaches.
It took three weeks for American engineer teams to make the port partially operational in July 1944. The PLUTO pipeline (Pipe-Line Under The Ocean), a secret undersea oil pipeline linking England to Cherbourg, began pumping fuel in August. At its peak, Cherbourg became the world's largest unloading port, handling more material than the port of New York.
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.
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 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?
Bomb disposal
Identify and neutralise German explosive charges scattered throughout the port.
PLUTO Pipeline
Discover the secret undersea pipeline that fuelled the entire Allied army.
Strategic port
The only deep-water port in Normandy — the logistical key to the entire Liberation.
Transatlantic station
The route starts in the majestic Cité de la Mer, former transatlantic liner terminal.
They mined everything. We cleared everything.
Neutralise the charges. Save the port.
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 an app or a paper guide?
Neither. Everything plays in your browser (Safari, Chrome) after you tap your activation link. No PDF to print, no download. The trail lives in your phone, that's it.
Q02Can we split Port Liberation 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.
Q03Is Port Liberation suitable for a challenge-seeking teen?
Absolutely. The puzzles aren't obvious — a curious teen will sweat just enough to be proud of cracking them. Progressive hints prevent frustration: if stuck, unlock hint level 1, then 2, then 3.
Q04What's the best time to start?
Morning between 10 and 11, or early afternoon around 2 PM, is ideal. You still have daylight ahead, Cherbourg · Military port & Cité de la Mer is less crowded, and the light is better for camera clues.
Avis des aventuriers
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Your turn to play
Infiltrate a port rigged with 20,000 mines and explosive charges to save D-Day's logistics. An outdoor escape game in Normandy's greatest strategic port, where every step is a mine-clearing challenge.
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
🪙+15 TripCoins granted with your booking
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