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Decipher the ancient curse binding the Crown to seven ravens. Uncover the truth behind the prophecy that keeps a kingdom in chains—before the final bird takes flight.
📱 1 to 10 phones · 1 team per phone · Independent codes
For over three centuries, a dark prophecy has haunted the Tower of London: if the ravens ever leave, the Crown will fall and Britain will crumble into chaos
You are a newly appointed Ravenmaster apprentice at the Tower of London, in the year 1670, when whispers of a deep curse begin to spread, threatening the very heart of the English crown
Unravel the secret surrounding the seven ravens of the Tower of London, guardians of the kingdom since Charles II's decree in 1660.
« God and my right »— House of Windsor, British Royal Motto since Henry V, 1415
Your journey begins near the Tower of London, a UNESCO tentative list site. Here, you will learn about the importance of the seven ravens, maintained since the 17th century, a tradition initiated by Charles II (1630-1685) to protect the kingdom. This 18-acre fortress, with its 27-meter-high White Tower completed around 1100, witnessed the imprisonment of Anne Boleyn in 1536 and the disappearance of the Princes in the Tower in 1483. Your first puzzle will challenge you to observe architectural details to decipher an ancient message, linked to William the Conqueror's oath in 1078.
A short walk away, you'll head to St Katharine Docks, just 300m from the Tower of London. These warehouses, built in 1828 and restored in 1970 after the 1940 Blitz bombings, were once a thriving port for Asian tea and spices, capable of accommodating 200 ships in the 19th century. Thomas Telford's neoclassical architecture will serve as your backdrop for a puzzle where the shadows of merchants and sailors will overlap with augmented reality. This site, though more recent than the Tower, testifies to London's commercial power and its unbroken maritime link, essential to understanding the provisioning of the royal ravens.
The route then takes you to Trinity Square Gardens, 200m from Tower Hill, a public garden created in 1889 on the former site of the Roman Wall. Here, you will discover the Memorial to the Mercantile Marine, erected in 1928, and remnants of Londinium's Roman wall dating from the 2nd century AD. This site, commemorating the victims of the Lusitania sinking in 1915, will immerse you in the history of the sailors who crossed paths with England's kings. An AR projection will reveal an ancient maritime map, indicating a secret location where a former Ravenmaster allegedly hid a crucial clue for your quest in Greater London.
Continuing your journey towards Wapping, you will pass All Hallows-by-the-Tower, a church founded in 675 AD, 150m from the Tower of London. It is the oldest ecclesiastical site in the City of London, with a Saxon crypt housing Roman and Saxon artifacts. Although bombed in 1940, it was rebuilt and was the site of John Quincy Adams', future US president, marriage in 1797. The church, an Historic England Scheduled Monument, offers insight into the spirituality and politics that shaped the lives of Tower prisoners and monarchs, revealing hidden symbols in its stained glass to guide you to the next stage.
Your exploration will conclude at Wapping Old Stairs, 17th-century stone steps leading to the Thames, 800m from the Tower via St Katharine's & Wapping. This site, mentioned in Pepys' diaries in 1665, was a mooring point for ships from the Indies and a place of pirate execution in the 18th century. It is here, facing Tower Bridge, a bascule bridge inaugurated by the Prince of Wales on June 30, 1894, that you will assemble the final pieces. The view of the bridge, opened an average of 986 times a year, will remind you of London's enduring maritime history. You will have unmasked the curse and understood the vital role of the ravens in protecting the kingdom, taking with you a deep knowledge of London's history and its monuments.
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
5-10 curated sites across the territory
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.
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Witness mystical manifestations in augmented reality, bringing London's legendary creatures and forgotten spirits to life.
Decipher clues hidden in London's folklore and tales to reveal the prophecy.
Explore historical monuments and legendary sites that forge the myths of London.
LONDON MUST NOT FALL.
Ancient tales hold the power of its destiny.
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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Unravel the secret surrounding the seven ravens of the Tower of London, guardians of the kingdom since Charles II's decree in 1660.
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
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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.
15€. Goûtez un authentique Fish and Chips dans un pub traditionnel de Wapping, non loin des historiques Wapping Old Stairs.
25€. Embarquez pour une croisière panoramique sur la Tamise, offrant des perspectives uniques sur les sites visités et le Tower Bridge, inauguré en 1894.

Gratuit. Explorez l'histoire de la ville de Londres, de la préhistoire à nos jours, avec des expositions dédiées à Londinium et au Grand Incendie de 1666.
20€. Visitez ce croiseur de guerre de la Seconde Guerre mondiale, amarré sur la Tamise et offrant une vue directe sur le Tower Bridge et la Tour de Londres.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.