The Celtic Prince's Tomb — Unearth the Hallstatt Mystery
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Hallein, AustriaThe Celtic Prince's Tomb — Unearth the Hallstatt Mystery
📍 Hallein, Austria·🕐 5h – 8h·📍 ~40-60 km en voiture
🚗+🚶Car & walking tour — single day
Also available as:HistoricalFantasySupernaturalFairy tale

The Celtic Prince's Tomb — Unearth the Hallstatt Mystery

Decipher the secrets of a 6th-century Celtic prince buried in the Alpine salt lands. Uncover his identity, his wealth, and the conspiracy that erased him from history.

📱 1 to 10 phones · 1 team per phone · Independent codes

Difficulty
·From age 12 years
Starting point :Façade of the Keltenmuseum Hallein

In the shadow of the Salzach River, Hallein guards an ancient mystery

8
sites to explore
~40-60 km en voiture
car + walking
5h – 8h
within the day
🚗+🚶
car recommended

The Celtic Prince's Tomb — Unearth the Hallstatt Mystery

🎭Your Mission

You are a dedicated archaeological researcher in Hallein, Austria, in 1970, inspired by Gerhard Trnka's pioneering work and his founding of the Keltenmuseum Halle

Uncover the millennia-old secrets of the Hallstatt culture, where Celtic princes ruled over the white gold of the Alps, in Hallein, Salzburg.

Far more than an escape game

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.

🏛️
Hidden historical gems

At each stop, places ordinary guides miss — secret façades, sculpted crests, alleys steeped in history.

📜
Anecdotes & legends

Every riddle is rooted in a real historical fact or local legend. You leave with dozens of stories to tell.

🏗️
Architecture & heritage

Learn to read buildings — flamboyant Gothic, Baroque, Art Deco — like a real art historian, while having fun.

🚶‍♀️
Immersive wandering

Walk through the city like a novel's character — every alley becomes a stage, every square a theatre.

🎙️
Immersive audio narration

A voice walks with you at every step, tells the story of each place, reads clues, adds a cinematic feel.

📲
Yours forever

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?

🏛️
Outdoor escape game

Explore the city on foot solving puzzles based on real historical facts. No locked room — the city is your playground.

📱
On your smartphone

No app to download. Play directly from your browser. Guided step by step, at your own pace.

👨‍👩‍👧‍👦
Unlimited players

One purchase per phone is enough. Play with family, friends or as a couple — everyone participates.

🎯
Augmented reality

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.

🤖
AI that helps you

Stuck? Progressive personalised hints. The character repeats the puzzle on demand — at your own pace.

🗣️
32 languages

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

Salzwelten Halleinoptional
Adults €28.50. Explore the millennia-old salt mines of Dürrnberg, exploited since the Iron Age by the Celts and the Prince-Archbishops of Salzburg.
Optionnel
/pers.
Prince's Chamber and Green Room (Keltenmuseum)optional
Included with museum ticket (€9.50). Discover the three rooms dedicated to the Prince-Archbishops, testaments to salt administration in Hallein.
Optionnel
/pers.
Salty Delicacies Tastingoptional
Variable prices. Taste local products influenced by Hallein salt, from cured meats to aged cheeses, reflecting Salzburg's culinary heritage.
Optionnel
/pers.
Visit Salina Celtic Villageoptional
Free access opposite Salzwelten. Explore the reconstruction of a Celtic village for a direct immersion into the Hallstatt culture and daily life of the Iron Age in Dürrnberg.
Optionnel
/pers.
Budget if you do them all / pers.~0

The story that haunts this land

Your quest begins in front of the Keltenmuseum Hallein, a mid-18th century building that once housed the salt office. It was here that Gerhard Trnka opened one of Europe's largest Celtic museums, featuring artifacts from the La Tène period. Inside, discover a 2500-year-old Celtic spouted jug from Dürrnberg and objects from an intact Celtic prince's tomb, along with 80 paintings by Benedict Werkstötter illustrating salt production, commissioned in 1757 by Prince-Archbishop Sigismund von Schrattenbach. This museum is the gateway to the Hallstatt culture, essential for understanding Hallein's history.

Continue your visit to Hallein towards Oberer Markt, the historic square that gave the city its name, linked to salt production ('hal' mentioned as early as 1198). This central point of the old quarter is crossed by your walking tour, offering an immersion into the city's commercial past. Nearby, the Stadtpfarrkirche Hallein, the central parish church, testifies to the influence of the Prince-Archbishops of Salzburg who controlled salt exploitation, a pillar of the local economy and Salzburg's heritage.

Your path then leads you to Pernerinsel, an island on the Salzach, 500m from the Keltenmuseum. Once an industrial area dedicated to salt production, it is now a historical and cultural site integrated into Hallein's heritage. The island represents the city's transformation, from its industrial salt past to its current role as a cultural center. Here you can measure the evolution of the urban landscape, marked by salt mining which shaped the Salzburg region for centuries.

Approaching the Pfleggericht, the former 18th-century district court, you traverse a part of the administration of the Prince-Archbishops who ruled over salt exploitation from that century. This historic building, located near Pflegerplatz 5, is a remnant of the authority that managed Hallein's resources. Then, the Salzachbrücke, the bridge over the Salzach, connects you to the historic center, an access route to Dürrnberg and its prehistoric salt mines exploited since the Iron Age, illustrating salt's vital role in the region's history.

Your quest concludes at Dürrnberg, the mountain above Hallein, home to prehistoric salt mines exploited since the Iron Age and the site of the Keltenmuseum's excavations. It was here that Kurt W. Zeller oversaw the reconstruction of the Celtic village Salina in 1980, later moved in 1996. Dürrnberg houses unique European remains of Celtic settlements and burial sites, from the Prince-Archbishops to the Ice Age, confirming its status as a treasure of Celtic history Europe and the Hallstatt culture. Your exploration of Hallein will have revealed the importance of this 'Celtic prince' and the lasting impact of Salt mining heritage on this Salzburg region.

800 av. J.-C.
Beginning of the Hallstatt culture
vers 600 av. J.-C.
Heyday of the Celtic princes of Dürrnberg and princely burials
450 av. J.-C.
Transition to the La Tène culture and end of the Hallstatt era

The Route

8 sites to explore by car within the day

The gameplay: AR, camera, hidden clues

📱Search clues with your cameraRA

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.

8
original puzzles
24
min of narration
🪙 24
TripCoins granted
16
GPS waypoints

How does it work with a group?

One phone = one team. Pick the number at checkout (1 to 10).

🧍
1 phone

Solo, or a group sharing the screen. One team, one code.

👥
2-3 phones

Family, couple, or 2-3 teams competing. Each phone has its own code and its own score.

👨‍👩‍👧‍👦
4 to 10 phones

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.
🕒No date to pick · Code valid 1 year · Play whenever you want

Ready to live this adventure?

Get my code · 14,90€

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🔒 Secure payment · Code in 5 min · Free cancellation

Practical info

Starting point
Façade of the Keltenmuseum Hallein
Directions on Google Maps
🕐
Duration
2h – 2h30
Single-day
🚗
Transport
Car + walking
Car recommended
📍
Distance
~2.5 km drive
+ ~2 km on foot
👥
Players
Unlimited
From age 12
🌐
Languages
17 languages
Built-in translation

Why this route?

💎

Celtic Treasures

Discover the opulence of the Hallstatt princes through their precious objects.

🧂

The White Gold

Delve into the millennia-old history of salt mining, source of Celtic wealth.

⛰️

Alpine Landscapes

Explore the breathtaking panoramas of Dürrnberg and the Salzach valley.

The past whispers to those who know how to listen.

Your archaeologist's spirit will be your guide.

★ Innovation 2026

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

Uncover the millennia-old secrets of the Hallstatt culture, where Celtic princes ruled over the white gold of the Alps, in Hallein, Salzburg.

14,90€
1 phone
28,60€
2 phones
41€
3 phones
52,20€
4 phones
62,10€
5 phones
69,50€
6 phones
77€
7 phones
84,40€
8 phones
91,90€
9 phones
99,30€
10 phones

1 purchase = 1 phone. Play several on the same device.

🕒No date to pick · Code valid 1 year · Play whenever you want
Get my code · 14,90€

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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