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Decipher the hidden truth behind Latvia's most notorious KGB headquarters. Eight locations across Old Riga hold the keys to exposing a network of surveillance, betrayal, and resistance that shaped a nation's fate.
📱 1 to 10 phones · 1 team per phone · Independent codes
Between 1940 and 1991, an elegant Art Nouveau building at the corner of Brīvības and Stabu streets became the engine of Soviet terror in Latvia
You are a Latvian KGB archivist tasked with a secret mission in occupied Riga in 1975.
You must trace a resistance network operating from the Stūra māja, that mysterious
Uncover the mysteries of Soviet surveillance in Riga, where every medieval facade hides 50 years of police terror and clandestine resistance.
Riga awakens in terror on June 17, 1940, when the Red Army crosses the Daugava. The Monument of Freedom, inaugurated in 1935 by Kārlis Zāle to celebrate 1918 independence, disappears behind barbed wire. Its golden 42.7-meter statue, Mother Latvia, becomes the forbidden symbol of an erased nation. During 51 years of occupation, laying flowers at the monument's base constitutes an act of resistance punishable by deportation to Siberia. You begin your investigation on this square where every gesture was watched.
The Orthodox Cathedral of the Nativity of Christ reveals the first phase of forced Russification. Completed in 1883 under the Tsarist Empire, its 5 golden domes rising 48 meters dominate Riga to assert Orthodoxy against Baltic Protestantism. But in 1950, the Soviet regime pushes irony further: it transforms this church into a museum of atheism, confiscates its bells and displays anti-religious propaganda. Latvians discover that their successive oppressors use the same methods of ideological control.
At the heart of your investigation stands the Stūra māja, this Corner House from 1685 that became a dark legend of occupation. Only 2.23 meters wide, it allegedly served as a privileged observation post for the NKVD then KGB, monitoring comings and goings between Kalķu iela and Maza Pils iela. Although this use is debated by historians, Latvians still whisper that its narrow windows hid agents who filed every Old Town resident. Restored in 1996, it keeps its secrets.
Riga Castle perfectly illustrates the continuity of oppression. Founded in 1209, residence of Russian governors in the 19th century, it becomes under Stalin the seat of the October Revolution Museum, temple of Soviet propaganda until 1991. The Three Brothers, 15th-century residential ensemble at 17-21 Maza Pils iela, suffer the humiliation of overcrowded collective housing: these architectural jewels classified UNESCO in 1997 housed entire families in a single room, symbol of planned urban degradation.
Your journey through Riga reveals a chilling truth: the most refined medieval architecture can mask the most sophisticated control systems. From Saint Peter's Cathedral, whose 123.6-meter bell tower was rebuilt in 1973 under close surveillance, to the House of Blackheads, destroyed in 1941 and rebuilt in 2001 as a symbol of national resurrection, every stone of this UNESCO city carries the memory of 50 years of silent resistance. You leave with the disturbing certainty that the darkest history often hides behind the most beautiful facades.
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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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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Uncover the mysteries of Soviet surveillance in Riga, where every medieval facade hides 50 years of police terror and clandestine resistance.
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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More ideas for self-guided walking tours, scavenger hunts & city quests in the same city

Uncover the secret cipher hidden by Eisenstein and Laube in Riga's Art Nouveau facades. Decode their nationalist symbols to expose a lost manifesto for Latvian independence before it's erased forever.

Uncover Johann Veckinghusen's secret wind rose cipher hidden among Vecrīga's Hanseatic landmarks. Decode the last merchant's clues to expose a betrayed trade conspiracy before it's lost forever.

November 1943. In Riga Ghetto ruins, Mikhaïl Dubin hid a list of 70,000 exterminated Latvian Jews. Before deportation, decode his clues to recover it and expose the truth.
More destinations, tours & urban treasure hunts across the country
Coupe-file disponibles pour les sites payants de votre parcours. Gagnez du temps, vivez l'aventure pleinement.
7€. Archives authentiques du KGB et témoignages de déportés, dans l'ancien siège du Parti communiste letton.
9€. Appartement bourgeois de 1903 préservé intact, témoin de la vie avant l'occupation soviétique.
15€. Brasserie fondée en 1865, interdite pendant l'occupation puis ressuscitée en 1991 avec ses recettes d'origine.
12€. Tunnels du XIIIe siècle utilisés comme abris antiaériens en 1941, puis cachettes de la résistance lettone.
💡 Réservation optionnelle — vous pouvez aussi acheter sur place. Tous les liens ouvrent dans une nouvelle fenêtre, votre visite OddballTrip reste préservée.