The Medway Conspiracy — Uncover de Ruyter's Greatest Victory
Decode the secret intelligence that enabled Michiel de Ruyter to orchestrate the daring 1667 Medway Raid and strike at the heart of English naval power.
📱 1 to 10 phones · 1 team per phone · Independent codes
June 1667: While Europe's courts whisper of peace, Admiral Michiel de Ruyter executes the most audacious naval strike in Dutch history—the Medway Raid
The Medway Conspiracy — Uncover de Ruyter's Greatest Victory
You are Willem Joseph van Ghent, naval commander and Admiral de Ruyter's loyal right-hand man, in Vlissingen, 1667.
Your secret mission:
Immerse yourself in the heart of Vlissingen, Zeeland, to relive Michiel de Ruyter's most audacious naval victory, the Raid on the Medway in 1667.
The story that haunts this land
Your quest begins on De Ruyterplein, at the foot of Michiel de Ruyter's statue. Erected in 1841 and standing approximately 5 meters tall, this work by Louis Royer pays homage to the admiral born in Vlissingen in 1607. This naval hero, whose strategy enabled the Raid on the Medway in 1667, embodies the spirit of the Dutch navy. It is here, facing his effigy, that you receive your first instructions to decipher the fleet's plans and understand how this historic maritime city forged such a destiny. The heritage of Zeeland is within reach, and Vlissingen opens its doors for an immersive tour.
A few steps away, the Grote Kerk, or St. James's Church, awaits you. Built around 1350 in a Gothic style, this Reformed church since 1572 dominates the cobblestone historic center with its 104-meter tower. Although a place of worship, it houses a historic organ from 1616 that might have resonated during the departures of de Ruyter's ships. Its proximity to the port made it an essential landmark for sailors and a place of prayer before perilous expeditions. You search for hidden symbols in its architecture, silent witnesses to Vlissingen's golden ages.
The Stadhuis Vlissingen, the town hall built in 1765 in a neoclassical style, is the historic administrative heart of the city. Its facade, adorned with allegorical sculptures representing navigation and commerce, highlights Vlissingen's maritime importance. It was in this building that crucial decisions concerning the VOC fleet and trade expeditions were made, directly influencing Admiral de Ruyter's career. Your route invites you to decipher riddles related to the secret codes used for naval communications of the time, a key element for the success of the Raid on the Medway.
The Kazematten Vlissingen, underground fortifications built in 1588 to defend the port against the Spanish, are a crucial step in your mission. Approximately 200 meters long, they housed 6 cannons in 1672, protecting the city from external threats. These defenses testify to Vlissingen's strategic importance and its role in protecting de Ruyter's fleet. You explore these tunnels to find information on the defensive tactics and military preparations that made the audacious Raid on the Medway possible, a key moment in Zeeland's heritage.
Your exploration culminates along the Boulevard de Ruyter, a 1.2 km maritime promenade developed in the 19th century, offering breathtaking views of the Western Scheldt and ferries to England. This boulevard, named in honor of the admiral, is a direct link to the naval victory of 1667. Looking out to sea, you imagine the warships of de Ruyter's era, preparing to depart for the English Channel. This walk allows you to merge Vlissingen's historical grandeur with contemporary reality, concluding your GPS treasure hunt with a deep understanding of the city's maritime heritage. The muZEEum and the Arsenaal, near this route, continue to explore this rich past, solidifying Vlissingen's place in European naval history.
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
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?
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Practical info
Why this route?
Naval Strategy
Uncover the audacious tactics that built Admiral De Ruyter's legend.
Maritime Heritage
Explore Vlissingen, De Ruyter's birthplace and cradle of the Dutch navy.
Secret Documents
Solve the riddles of a hidden naval register containing crucial information.
Navigate the past to rewrite the future.
In the wake of the Netherlands' greatest admiral.
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
Q01The Medway Conspiracy — Uncover de Ruyter's Greatest Victory — is it a guided trail or a free-form hunt?
It's a semi-guided trail: GPS points you to the next stop, but you find the camera clue and solve the puzzle yourself. No app to install, everything runs in your browser.
Q02How far do you walk in Vlissingen, Zeeland?
Usually 2 to 4 km of total walking, within 1.5 km as the crow flies from the start point. The route is designed to be walkable at a relaxed pace, no public transport needed.
Q03Is The Medway Conspiracy — Uncover de Ruyter's Greatest Victory 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 if we get stuck on a puzzle?
Three hint levels per puzzle, with a small increasing time penalty. If truly stuck after level 3, you can skip the step (45-min penalty). The point: nobody stays blocked and goes home frustrated.
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Your turn to play
Immerse yourself in the heart of Vlissingen, Zeeland, to relive Michiel de Ruyter's most audacious naval victory, the Raid on the Medway in 1667.
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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