St. Petersburg — Peter's Cursed Register
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Historic Center of Saint PetersburgSt. Petersburg — Peter's Cursed Register
📍 Historic Center of Saint Petersburg·🕐 2h – 2h30·📍 ~2.5 km
Also available as:HistoricalMysterySupernaturalFantasy

St. Petersburg — Peter's Cursed Register

Uncover the dark secret of Peter the Great's cursed register, hidden amid the bones of workers who built St. Petersburg. Decode clues at imperial landmarks to expose the truth before the curse claims you.

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

Difficulty
·From age 12 years
Starting point :Ioannovsky Bridge, facing Peter and Paul Fortress

In 1703, Peter the Great founded St

8
stages
~2.5 km
route
2h – 2h30
at your pace
🚶
walking

St. Petersburg — Peter's Cursed Register

🎭Your Mission

You are Domenico Trezzini, architect to Tsar Peter the Great, tasked with overseeing the construction of the new imperial capital in St.

Petersburg, 1703. Your mission begins at Ioann

Delve into the origins of Saint Petersburg, following in the footsteps of Peter the Great, a visionary builder and ruthless strategist.

« Ioannovsky Most »
Inscription on Ioannovsky Bridge, Saint Petersburg, 1825

The story that haunts this land

Your journey begins at Ioannovsky Bridge, a 24-meter drawbridge built in 1824-1825 by William Hasset, named in honor of Tsarevich John. It is the main entry point to the Peter and Paul Fortress, founded by Peter the Great in 1703 to defend the city from the Swedes. Crossing this bridge, which was fixed until 1887 before being modified for river navigation, you enter the 28-hectare enclosure where the Tsar personally supervised the fortification works, even sleeping on site in a cabin, thus laying the first stones of Saint Petersburg.

Inside the Peter and Paul Fortress, you discover the Saints Peter and Paul Cathedral, erected between 1712 and 1733 by your colleague Domenico Trezzini. This is where Russian tsars have rested since Peter the Great, who died in 1725. Not far, the Summer Garden, created as early as 1704 by the Tsar, offers a contrast of serenity. Peter the Great had European trees planted there, seeking to acclimatize Western flora over 11 hectares, opening this landscaped garden to the public in 1716. This place was restored in 1818 after the 1824 floods that submerged Saint Petersburg, demonstrating the city's resilience.

Leaving the fortress, you head towards Peter the Great's House, a modest 11x5 meter wooden dwelling built in 1714 on the banks of the Neva. The Tsar lived there from 1714 to 1716, supervising the construction of his new capital from this simply furnished residence. Preserved as a museum since 1800 and classified as a historical monument in 1911, this house was visited by Nicholas II in 1897, highlighting its importance in the history of the Romanov dynasty and the heritage of Saint Petersburg.

Your journey then leads you to the Rostral Columns, erected in 1810 on the Exchange embankment of the Neva by Jean-François Thomas de Thomon. Standing 32 meters high, they are adorned with ship prows captured from the Turks and Swedes, symbolizing Russian naval victories, a theme dear to Peter the Great who initiated the construction of the Exchange in 1703. These columns, visible from the Summer Garden and less than 500m from Ioannovsky Bridge, recall the maritime power the Tsar desired for the city of Saint Petersburg.

The Menshikov Palace, built between 1706 and 1714 for Alexander Menshikov, Peter the Great's favorite, represents the Baroque splendor of that era. With its 22 rooms on two floors, this palace on Vasilyevsky Island, 800m walk from Ioannovsky Bridge via the Summer Garden, even temporarily housed Peter the Great in 1711. After Menshikov's exile in 1725, it was confiscated and transformed into a naval cadet corps in 1731. This walking tour in Saint Petersburg offers a concrete immersion into the vision of a tsar who shaped a city, its monuments, and its naval history, from the Admiralty founded in 1704 as a shipyard where Peter the Great launched the first vessel in 1706.

1703
Peter the Great founds Saint Petersburg on the Neva marshes.
1712
Saint Petersburg becomes the capital of the Russian Empire, succeeding Moscow.
1725
Death of Peter the Great, leaving behind a magnificent capital and a controversial legacy.
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

State Hermitage Museumoptional
€20. Explore one of the world's largest art collections, housed in the Winter Palace, former residence of the Tsars of Saint Petersburg.
Optionnel
/pers.
Saint Isaac's Cathedraloptional
€15. Admire the neoclassical architecture and golden dome of this cathedral, which can accommodate 14,000 worshippers, visible from the Admiralty.
Optionnel
/pers.
Neva River Dinner Cruiseoptional
€50. Discover the illuminated bridges of Saint Petersburg and historical facades from the Neva waters, offering a unique perspective on the city founded by Peter the Great.
Optionnel
/pers.
Catherine Palace and Park in Tsarskoye Selooptional
€30. Explore the famous Amber Room and the lavish gardens of this imperial residence, an hour from Saint Petersburg.
Optionnel
/pers.
Budget if you do them all / pers.~0

The Route

8 stages through the city

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 · 12€

No calendar booking. Code sent immediately by email.

🔒 Secure payment · Code in 5 min · Free cancellation

Practical info

Starting point
Ioannovsky Bridge, facing Peter and Paul Fortress
Directions on Google Maps
🕐
Duration
2h – 2h30
At your own pace
👥
Players
2 to 6 people
From age 12
📍
Distance
~2.5 km
Neva Embankments
Accessibility
Partial
Some cobblestones and stairs
🌐
Languages
17 languages
Built-in translation

Why this route?

🏗️

The Colossal Undertaking

Explore the iconic sites of the forced construction of the imperial city.

💀

The Price of Bones

Uncover the heavy human toll paid for Peter the Great's dream of grandeur.

📜

The Forgotten Register

Decipher the clues to reveal a secret document recording lost souls.

Greatness has a price, often paid in the shadows.

Uncover the forgotten sacrifices of Saint Petersburg.

★ 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.

Avis des aventuriers

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Your turn to play

Delve into the origins of Saint Petersburg, following in the footsteps of Peter the Great, a visionary builder and ruthless strategist.

12€
1 phone
23€
2 phones
33€
3 phones
42€
4 phones
50€
5 phones
56€
6 phones
62€
7 phones
68€
8 phones
74€
9 phones
80€
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 · 12€

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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