Gothenburg — The Dockworkers' Pact
Uncover the sinister Dockworkers' Pact that gripped Gothenburg's port in the 1930s—a secret oath binding laborers to sabotage and espionage. Decode clues at historic quays to expose the betrayal before its legacy strikes again.
📱 1 to 10 phones · 1 team per phone · Independent codes
In the shadowy depths of 1930s Gothenburg, as the Port of Gothenburg boomed with migrant workers and industrial might, a clandestine brotherhood formed among the dockers
Gothenburg — The Dockworkers' Pact
You are Herman Wennerberg, a Gothenburg docker unionist, in 1909, as the general strike shakes Sweden.
Your mission: rally spirits, thwart employer maneuvers, and seal
Dive into early 20th-century working-class Gothenburg, where dockers forged Sweden's social history with strikes and solidarity.
The story that haunts this land
Your journey begins at Kungsportsplatsen, established in 1677 as the main gate to Gothenburg's fortified city. Named after King Charles XI of Sweden who inaugurated it in 1680, this central square, surrounded by 17th-century baroque buildings with Dutch architecture, was a hub for commercial arteries. This is where news of social movements spread among merchants and workers, long before Gothenburg's dockers made their voices heard. Here you collect your first clues for the Dockers' Pact, a historic dockers' circuit that immerses you in Gothenburg's Industrial Heritage.
Heading towards Gustaf Adolfs torg, created in 1810, you pass the 5-meter equestrian statue of Gustav II Adolf, erected in 1855, indirect founder of Gothenburg. The City Hall (Rådhuset), built in 1673, attests to the historical administration. This square was a place of public gatherings from the 19th century, hosting political speeches and workers' demonstrations. For the unionist you embody, it is a strategic point where dockers often expressed their demands, a key location to understand Gothenburg's history and the Västra Götaland thematic circuit you are following.
The Stora Saluhallen, a covered market inaugurated in 1878, is one of Sweden's oldest food markets still in operation. This late Victorian brick building, with its 1,200 m² and 30 permanent stalls, was frequented by dockers and workers from the nearby port for their daily meals since 1880. Classified as a protected historic building since 1985, it is a place where union conversations and workers' negotiations took place out of sight. Your investigation for the Dockers' Pact leads you through this industrial heritage, searching for hidden messages among the stalls.
Järntorget, a historic square dating from 1660, is the heart of the Haga district with its 18th-century wooden houses. Its 1891 fountain, adorned with sculptures by Bengt Nordenberg, is surrounded by traditional cafes. A place for fish markets since the 17th century, it is intrinsically linked to the dockers' port activity. Restored in 1980 to preserve its working-class and popular character of industrial Gothenburg, this square is an essential crossroads for unionists. Here, you must decipher hidden symbols in the architecture, connecting the history of sailors and workers to your current mission.
Your journey concludes on Skeppsbron, the 800-meter long port promenade built in 1780 along the Göta älv river. This is where the Swedish maritime workers' unions were founded in 1885, symbols of dockers' solidarity. With a view of the Sjöfartsmuseum, opened in 1933, dedicated to Gothenburg's naval history, you understand the scope of the Historic Dockers' Circuit. The Pact is sealed, consolidating the heritage of these men who shaped Västra Götaland. This GPS treasure hunt has provided an interactive visit of Gothenburg, revealing the richness of its heritage and the spirit of those who fought for a better future.
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.
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?
Worker Solidarity
Discover the history of class struggle and the birth of the Swedish social model.
Port Heritage
Explore the historic quays and iconic places of Gothenburg's maritime activity.
Forgotten Manifesto
Reconstruct a secret document that forged Sweden's social and political identity.
The strength of a people lies in its unity.
Unravel a century of worker struggles and social ideals.
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 to download an app?
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.
Q02Does it work offline?
GPS yes (handled by your phone). Maps yes (tiles cached). AI and hints need an intermittent 4G connection.
Q03How long does a game take?
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.
Q04What happens if I'm stuck?
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).
Q05What's the age range?
From 12 without an adult, from 6 with an adult reading puzzles. Works for families, couples, friend groups, companies.
Q06What if my city isn't in the catalogue?
Pre-register or contact us — we'll email you as soon as your city is live.
Q07What is augmented reality exactly?
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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Your turn to play
Dive into early 20th-century working-class Gothenburg, where dockers forged Sweden's social history with strikes and solidarity.
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
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