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Uncover the secret spy network that operated from hidden tunnels and bastions during WWII. Decipher codes, trace agents, and expose the counter-espionage plot under relentless bombings.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the dark days of World War II, Valletta became a clandestine hub of espionage
You are a covert archivist-spy for Grand Master Jean Parisot de La Valette, operating within the nascent fortifications of Valletta in 1566.
Your mission: the defensive plans for this
Dive into the heart of Valletta, Malta's capital, to foil a centuries-old plot woven into the bastions of the Order of St. John.
« HM (Humility and Mastery) »— Motto of the Order of St. John, linked to Valletta
Your journey begins at the Upper Barrakka Gardens, built in 1775 by the Knights of Malta on an ancient bastion. From here, the panoramic view of the Grand Harbour is breathtaking. It is here that, since 1800, the British tradition of the daily cannon salute at noon has taken place, a ritual Sir Alexander Ball, British governor, undoubtedly observed from the monument erected in his honor in 1810. These gardens, approximately 1 hectare in size, feature exotic trees imported in the 18th century, providing a serene setting to begin your investigation in the Maltese capital.
Continue towards the Auberge de Castille, a building constructed in 1574 by the Knights of the Order of St. John for the Langue of Castile. With its baroque facade restored in 1942-1943 after damage from World War II, and its 24 windows spread over 4 floors, this auberge, whose architecture is attributed to Girolamo Cassar, is a symbol of power. It has been the seat of the Maltese government since 1956, having previously been the Prime Minister's residence. Nearby, St. John's Co-Cathedral, built between 1572 and 1577 by order of Grand Master Jean Parisot de La Valette, awaits you. Admire Caravaggio's 'The Beheading of St. John the Baptist,' commissioned in 1607, and the 400 marble tomb slabs carved between 1577 and 1680 that make up the floor, reflecting its capacity to host 400 people.
Your quest then leads you to the National Library of Malta, founded in 1555 by Grand Master Claude de La Sengle as a Public Library. The neoclassical building, completed in 1796 by architect Stefano Ittar, houses a collection of 75,000 rare volumes, including the archives of the Knights of Malta from the 16th to 18th centuries. Its central patio, 30m x 20m, with its fountain, is a haven of peace. The Grandmaster's Palace, built around 1571-1574 by Girolamo Cassar, was the residence of the Grand Masters. This palace, the second largest in Malta after Mdina, has two inner courtyards, including the Admirals' Courtyard measuring 32m x 32m, and houses two paintings by Mattia Preti painted in 1670 in the Parliament Hall, which has been located there since 2015.
The route takes you to the Siege Bell War Memorial, inaugurated in 1992 to commemorate the Great Siege of 1940-1942. The 11-ton bell, forged in 1991 with a diameter of 2.7 meters, rings every hour, recalling the 7,000 Maltese victims of World War II whose names are engraved. Located on Blata bastion, it offers a view of Fort St Elmo, built in 1552 by the Knights to defend the entrance to the Grand Harbour. This fort was the site of the battle of the Great Siege of Malta in May 1565, where 150 defenders perished. Today, it houses the National War Museum since 1979, covering 5,000 m² within its 6-pointed star-shaped enclosure, with a perimeter of 1,200 meters.
To conclude your espionage mission in Valletta, the Hastings Gardens offer a moment of respite. Created in 1825 on the Castille bastions and named after Frank Hastings, these 0.8-hectare gardens are adorned with a 1st-century BC Egyptian obelisk, 9 meters high, gifted by Egypt in 1818. An open-air theatre was inaugurated here in 1954, accommodating 500 people. This site, though later, marks the continuity of the strategic occupation of Valletta's bastions. Your circuit will have introduced you to the history of Malta and the influence of the Order of St. John, leaving you with a deep understanding of the heritage of this UNESCO city, from the secrets of its ramparts to the splendor of its baroque architecture.
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?
Get my code · 12€No calendar booking. Code sent immediately by email.
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Dive into the world of secret agents and high-stakes intrigue during the Siege of Malta.
Discover the heroic history of the island that withstood relentless Axis bombings.
Decipher hidden messages and reconstruct fragments of a secret transmission logbook.
The traitor's shadow looms over the Rock.
Will you unmask the double agent before it's too late?
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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Dive into the heart of Valletta, Malta's capital, to foil a centuries-old plot woven into the bastions of the Order of St. John.
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

Uncover a deadly conspiracy within the Knights Hospitaller's inner circle. Decipher coded messages hidden in Valletta's bastions to expose the Grand Master's poisoning plot before the truth is buried forever.

Uncover the conspiracy behind Napoleon's lightning conquest: betrayal within the Order, hidden treaties, and the secret that toppled 268 years of Knights' rule in 72 hours.

Uncover the conspiracy that toppled the Knights of Malta. Decode cryptic symbols across Valletta's bastions and follow the trail of betrayal to expose the traitors who orchestrated the Order's shocking fall.

Uncover the hidden conspiracy that drove Caravaggio to paint his blood-signed masterpiece and escape from the Knights' clutches in Valletta's shadowy streets.

Uncover the hidden code behind Malta's George Cross award during the WWII Siege. Decode clues at Valletta's war memorials and bastions to expose the resilient secret that saved the island from invasion.

Uncover the secret vault where the Knights of Saint John concealed their most sacred relics. Decipher cryptic clues hidden in chapels and crypts to expose a centuries-old conspiracy of silence.
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Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
10€. Explorez les trésors préhistoriques de Malte, des temples mégalithiques aux artefacts phéniciens.
6€. Découvrez l'histoire de l'Inquisition à Malte et ses prisons d'époque à Vittoriosa.
2-5€. Goûtez à cette pâtisserie salée emblématique de Malte, souvent fourrée de ricotta ou de petits pois.
15-20€. Admirez les fortifications de La Valette et des Trois Cités depuis la mer pour une perspective unique.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.