Geneva — League of Nations Secret Archives
Uncover the hidden archives of the League of Nations buried in Geneva's cellars. Decode a forgotten protocol that could rewrite interwar history before it's lost forever.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadow of World War I, the League of Nations was born in Geneva with grand dreams of eternal peace
Geneva — League of Nations Secret Archives
You are Éric Drummond, first Secretary-General of the League of Nations, in Geneva, 1936.
Your mission: retrieve vital archives before their definitive transfer to the Palais
Delve into Geneva's diplomatic secrets, following in the footsteps of the individuals who shaped global peace in the 20th century.
« After Darkness, Light »— Motto of the City of Geneva
The story that haunts this land
Your quest begins at Palais Wilson, a neo-classical building constructed in 1875 as the Hôtel National. This 10,000 m² edifice housed the secretariat of the League of Nations from 1920 to 1936, before the move to the Palais des Nations. It is here, in these corridors where the debates of the interwar period still echo, that you must locate the first clues. Today, it serves as the headquarters of the United Nations High Commissioner for Human Rights since 1994, but your mission takes you back to the origins of the organization in Geneva, when the foundations of modern peace were laid.
Walk along Quai Wilson, a 1.2 km lakeside promenade named in honor of President Woodrow Wilson in 1920. This historic strolling place, frequented by League of Nations diplomats from the 1920s, offers a direct view of the Jet d'eau, a technical port installation inaugurated in 1891. During this walk along Lake Geneva, between the Jardin anglais and Pont du Mont-Blanc, you will need to observe the details and clues left by your predecessors. The movement of Lake Geneva's waters and the Horloge Fleurie will guide you to the next stage of your treasure hunt in Geneva.
Cross the Jardin anglais, a public park created in 1817 by watchmaker Abraham Louis Breguet, covering 46,000 m². It houses the Horloge Fleurie, created in 1955 with 6,500 annual flowers and a diameter of 5 m, whose mechanism is synchronized with the atomic clock of the Neuchâtel Observatory. This location connects Quai Wilson to Pont du Mont-Blanc, a historic access route linking the city center to the Nations district from the 1920s. Pont du Mont-Blanc, built in 1890 and 215 m long, crossing the Arve towards Lake Geneva, offers a view of the Jet d'eau and was redeveloped in 2006 for pedestrians and mixed traffic, a key crossing point of your itinerary in Geneva.
Your journey then takes you to Parc de l'Ariana, an 8.5-hectare park created in 1862 by Gustave Ador, adjacent to the Palais des Nations. This site is listed as UNESCO Memory of the World via the League of Nations archives (2009). It is a crucial transition point for your archivist mission, with direct access from Rue de la Voie-Creuse, on the way to Place des Nations. This park prepares you for the scale of diplomatic stakes played out in Geneva, at the heart of international Switzerland.
The climax of your exploration is at the Palais des Nations, built from 1929 to 1937 as the permanent headquarters of the League of Nations, covering 45,000 m². It is here that the League of Nations archives have been preserved at UNOG since 1946, and digitized via the LONTAD project (2017-2022). The Assembly Hall, inaugurated in 1936 with 2,000 seats, was the setting for League of Nations sessions. Your quest for the Secret Archives of the League of Nations in Geneva will have made you relive the history of global diplomacy, immersing you in the heart of UN Geneva World Heritage.
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?
Get my code · 12€No calendar booking. Code sent immediately by email.
🔒 Secure payment · Code in 5 min · Free cancellation
Practical info
Why this route?
Diplomatic Investigation
Dive into the backstage of interwar diplomacy and uncover state secrets.
Global Stakes
Explore the iconic locations where the future of world peace was decided.
Majestic Architecture
Admire the buildings that housed the greatest hopes and bitterest disappointments of the League of Nations.
Peace is not the absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.
Baruch Spinoza
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
Q01Do I need an app or a paper guide?
Neither. Everything plays in your browser (Safari, Chrome) after you tap your activation link. No PDF to print, no download. The trail lives in your phone, that's it.
Q02Can we split Geneva — League of Nations Secret Archives across two days?
Yes — your code stays active and progress is saved. You can start Saturday afternoon, finish Sunday morning. Some players actually prefer this format to make the most of a full weekend on site.
Q03Is Geneva — League of Nations Secret Archives 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.
Avis des aventuriers
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Delve into Geneva's diplomatic secrets, following in the footsteps of the individuals who shaped global peace in the 20th century.
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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