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Decipher the hidden vows Queen Victoria swore to Prince Albert, concealed in monuments along The Mall. Uncover a royal conspiracy before the secrets fade forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadow of Buckingham Palace, Queen Victoria etched eternal vows to her beloved Prince Albert into London's grandest monuments
You are a trusted royal cryptographer, 1888, called to Buckingham Palace by Queen Victoria herself.
Your urgent task is to decipher a series of coded messages, left by Prince Albert of
Delve into the intrigues of the British court and uncover Queen Victoria's forgotten vows in the heart of London.
« We are not interested in the possibilities of defeat. »— Queen Victoria, Letter to her Prime Minister Lord Melbourne, 1848
Your quest begins in front of Buckingham Palace, the official residence of British sovereigns since 1837. Acquired by George III in 1761, the palace was transformed under the supervision of John Nash, who designed its east facade between 1825 and 1830. The 520 rooms, including 240 bedrooms and 92 offices, still echo with the decisions that shaped the Empire. It is here, facing this monumental edifice, that you receive your first enigma, hidden among the architectural details that King George V inaugurated on May 9, 1911.
As you head towards St. James's Park, the oldest royal park in London, acquired by Henry VIII in 1532, you cross a space redesigned by John Nash between 1827 and 1828 in a picturesque style. This 23-hectare park, with its 4.5-hectare lake, was the scene of many royal strolls. The pelicans, introduced in 1664 by Charles II and fed daily, are silent witnesses to past conversations. Your clues lead you to search for a message hidden near the paths where Queen Victoria liked to meditate, a secret linked to the grandeur of Greater London's heritage.
Your journey then takes you to The Mall, the 1.15 km ceremonial avenue connecting Buckingham Palace to Trafalgar Square. Named after the 17th-century pall-mall game, this avenue was covered with red gravel in 1911 for George V's coronation. It has been used for Trooping the Colour since 1748, and its 110-meter width is closed to traffic during royal events. It is on this historic route, amidst memories of parades and celebrations, that you must decipher a message that illuminates Queen Victoria's motivations, a woman who was not interested in defeat.
Continue towards Admiralty Arch, a Neo-Baroque triumphal arch built in 1910 by Sir Robert Lorimer. Commissioned by Edward VII in memory of Queen Victoria, this 75-meter long and 24-meter high edifice was used by the sovereign for state ceremonies until 1990. Nearby is St. James's Palace, built by Henry VIII between 1531 and 1536 on the site of a leper hospital. This palace, which was the residence of foreign ambassadors and where the Royal Chapel of Friary Court was established in 1540, holds a crucial clue to understanding Victoria's vows.
Finally, your investigation brings you back near the Queen Victoria Memorial, erected in 1911 in front of Buckingham Palace and designed by Thomas Brock. With its 6.4-meter statue of Victoria in white Carrara marble and a total height of 25 meters, this monument symbolizes Courage, Justice, Truth, and Motherhood. It is here, at the foot of this reminder of the sovereign's power and values, that you assemble the last fragments of the puzzle. You leave London with a renewed understanding of history, a queen's ambitions, and the intimate links between the monuments that form the heart of the city's heritage, a unique London tourism experience.
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. »
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.
Places tied to your adventure — optional entries, totally up to you · per person
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.
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.
Ready to live this adventure?
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Follow in the footsteps of one of the most famous love stories of the British monarchy.
Designed for couples, this intimate game celebrates Victorian romance.
Explore the architectural splendours and royal parks of central London.
L'amour est le plus grand de tous les serments.
Reine Victoria
OddballTrip combines gamified play, augmented reality and AI. All our competitors deliver 1 or 2 of these angles. We deliver all 5.
A golden chest floats in front of the monument. Tap → opening animation → reveals a secret message.
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.
At the puzzle climax, golden letters magically write themselves on the real wall — that's the puzzle answer. An unforgettable visual effect.
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.
A mini-radar shows the target even behind you, and the phone vibrates when you aim in the right direction.
Every puzzle weaves in real historical facts (architecture, era, anecdotes). You learn by playing — like a gamified audioguide.
3 levels of AI-generated help: vibe → where to look → answer format. You're never stuck.
At the end of the game, capture a selfie with OddballTrip banner + mascot, shareable on Instagram, TikTok.
PWA technology: open the link, it plays in your browser. Same quality as an app, no App Store hassle.
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.
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
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.
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).
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Pre-register or contact us — we'll email you as soon as your city is live.
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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Delve into the intrigues of the British court and uncover Queen Victoria's forgotten vows in the heart of London.
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
More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

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Decipher the ancient prophecy of the Tower's ravens: if they flee, the kingdom falls. Track clues across the fortress to prevent catastrophe and expose the dark plot threatening the Crown.

Infiltrate 007's secret filming locations in Westminster. Decode clues from Skyfall and Spectre scenes to expose a concealed MI6 plot before it's too late.

Uncover the hidden codes in Samuel Pepys' diary revealing a conspiracy behind the Great Fire. Decode clues at his haunts to expose the truth before it's lost forever.

Uncover Sir Christopher Wren's secret legacy hidden in the rebuilt City after the Great Fire. Decode clues across his monuments to expose a forgotten conspiracy that shaped modern London.

Uncover a hidden conspiracy buried within the Knights Templar's London stronghold. Decipher encrypted manuscripts and decode medieval symbols to expose a dangerous secret the Order died protecting.
Where time and the world converge
Cradle of English democracy
University city of excellence, blending history and innovation.
Where William the Conqueror landed in 1066
Medieval hilltop town of cobbled streets
Follow pilgrims' footsteps and Chaucer's tales
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.

30€. Explorez les somptueuses salles d'apparat, ouvertes au public pendant l'été et lors de certaines dates en hiver.
Gratuit. Assistez à la cérémonie quotidienne à 11h devant Buckingham Palace, une tradition maintenue par la Household Division depuis 1660.
60€. Dégustez un thé traditionnel avec vue sur les Mews Royales, une expérience culinaire raffinée près du palais.
17€. Admirez des œuvres d'art issues de la Collection Royale, exposées dans cette galerie publique adjacente au palais.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.