The
Leiden
SYNDICATE

Self-Guided The Leiden Syndicate City Escape Game

Step into the heart of Leiden, unraveling the mysteries of the city through a self-guided City Escape Game. Follow cryptic clues, solve engaging puzzles, and work together with your team to unveil the truth — time is ticking, accept the challenge!

About The Leiden Syndicate

This self-guided City Escape Game in Leiden takes place in the historic city centre of Leiden. As a team, players follow the storyline to track down Magnus and recover six stolen formulas, progressing step by step through the mission. The City Game in Leiden features puzzles, tasks and challenges that require collaboration and strategy, offering an engaging experience driven by teamwork and immersive storytelling.

1.5-2 hours of play time

3-4 km walking distance

Start at Leiden, Stadhuisplein

Start, pause & continue whenever you want

Play on your smartphone, use the Loquiz app

2-5 people per smartphone

What you’ll experience during the game

You and your team are dropped into a high-stakes escape mission deep in the heart of Leiden. As operatives working against the clock, your objective is clear: track down a rogue agent named Magnus and recover six stolen chemical formulas before they vanish for good. The city becomes your battleground as each step of the mission unfolds across shifting locations, with every turn revealing new layers of risk and complexity.

As you move through Leiden, you’ll encounter puzzles to solve, encrypted messages to decode and covert tasks that demand sharp thinking and collective effort. Every challenge is woven into a fully immersive storyline that adapts with your decisions, putting teamwork, communication and strategy to the test. The mission can be paused and resumed at your own pace, giving your team the flexibility to navigate the unfolding narrative on your terms.

Who is it for?

This City Game is perfect for anyone who enjoy teamwork, puzzles and fast-paced, mission-driven games. It’s a great fit for:

  • Solo players looking for a challenging, mission-driven adventure
  • Couples who enjoy solving puzzles and completing an exciting mission together
  • Families with curious kids who like teamwork, problem-solving and interactive tasks
  • Friends searching for a fun and fast-paced City Escape Game
  • Groups and teams wanting a competitive, self-guided experience focused on collaboration and strategy

Whether you’re visiting Leiden or already know the city well, this City Escape Game offers a unique way to work together, think strategically and experience a thrilling mission outside the walls of a traditional escape room.

What’s included?

Included

  • Self-guided City Escape Game
    A mission-driven escape-style adventure that you play independently on your own smartphone.
  • Login credentials & instructions
    After booking, you’ll receive clear instructions and personal login details to access the game.
  • Puzzles, clues & interactive challenges
    Solve riddles, crack codes and complete tasks to recover the stolen formulas.
  • Storyline with characters and roles
    Step into the story, take on a character role and follow the mission as it unfolds.

Excluded

  • Smartphone or other devices (bring your own to play)
    One smartphone is needed per team (recommended 2–5 players).
  • In-person guide (digital guide in-game only)
    Everything is fully self-guided inside the game.
  • City information or sightseeing content
    The focus is on the escape mission and gameplay, not on city facts or highlights.

Good to know

  • Flexible start, pause & continue
  • 1-year access from purchase date
  • 2–5 people per smartphone
  • Difficulty: Moderate
  • Recommended age: 8+
  • Internet & GPS required
  • Available languages: English, Dutch
  • Start location: Leiden, Stadhuisplein

How to play

Book the City Game, check the email we send you with the instructions, download the Loquiz App and begin your gaming experience!Explore the city in a way you never did before. This escape game is a role-playing story based game, every member of your team will have an important role in the mission. Walk around the city to find the solution challenging puzzles, riddles and photo tasks.

Book your The Leiden Syndicate experience now

Per group

€ 25,95

Book your The Leiden Syndicate experience now

A 1.5–2 hour self-guided City Escape Game in Leiden: complete missions, solve puzzles and recover the stolen formulas at your own pace.

Per group

€ 25,95

  • Cancel anytime for full refund
  • Instant confirmation
  • Accessible for 1 year from the purchase date
  • Payments are secure & encrypted
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The story of The Leiden Syndicate

A powerful organisation is hiding dangerous formulas that should never fall into the wrong hands. When these formulas are stolen by a rogue alchemist named Magnus, the authorities turn to an unlikely group of experts to solve the problem: you. In exchange for your freedom, you are given one mission. Track down Magnus, recover the six stolen formulas and return them before it’s too late.

As the story unfolds, you step into a race against time filled with secrets, deception and unexpected twists. Each decision brings you closer to uncovering Magnus’ trail and reclaiming the formulas. Work together, follow the clues and complete the mission before the consequences become irreversible.

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Your start location

After booking, you will receive an email with your login details and simple instructions to begin the game. On the day you want to play, just head to the start location at Leiden, Stadhuisplein, log in on your smartphone and begin your investigation. From there, the story unfolds as you move through the city, solve puzzles and follow the clues at your own pace.

Leiden, Stadhuisplein

Get directions

How The Syndicate City Game works

Discover how this self-guided city escape game guides your team through the mission, step by step.

Start whenever you want

Begin the mission the moment you arrive at the starting location, with no fixed departure time.

Follow the GPS route

Move between mission checkpoints as new challenges unlock throughout the game.

Solve puzzles and crack codes

Work together to complete high pressure challenges that test logic, speed and teamwork.

Complete creative mission tasks

Take on interactive challenges, including creative photo assignments and puzzle based missions that advance the story.

Uncover clues and recover formulas

Each solved challenge helps you secure one of the six stolen formulas and move closer to completing the mission.

Play at your own pace

Pause the mission whenever you like and continue when your team is ready.

Book now

How The Syndicate City Game works

Discover how this self-guided city escape game guides your team through the mission, step by step.

  • Start whenever you want

    Begin the mission the moment you arrive at the starting location, with no fixed departure time.

  • Follow the GPS route

    Move between mission checkpoints as new challenges unlock throughout the game.

  • Solve puzzles and crack codes

    Work together to complete high pressure challenges that test logic, speed and teamwork.

  • Complete creative mission tasks

    Take on interactive challenges, including creative photo assignments and puzzle based missions that advance the story.

  • Uncover clues and recover formulas

    Each solved challenge helps you secure one of the six stolen formulas and move closer to completing the mission.

  • Play at your own pace

    Pause the mission whenever you like and continue when your team is ready.

Book now

What others think of our City Games

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Do you have questions? We have answers!

Check out our frequently asked questions and find out everything you want to know. Is your question not among them? Feel free to contact us.

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The Leiden Syndicate takes around 1.5 to 2 hours to complete. There is no strict time limit, so you can play entirely at your own pace and decide how quickly you want to complete the mission.

Most teams finish within this time frame, but you’re free to take longer if you want to pause the game, discuss your strategy or take a short break while playing in Leiden!

The game starts at Leiden, Stadhuisplein. After booking, you’ll receive an email with clear instructions and login details that tell you exactly where and how to begin.

Once you arrive at the starting location in Leiden, you can log in on your smartphone and start the mission whenever it suits you!

We recommend playing The Leiden Syndicate with 2 to 5 people per smartphone using one ticket. This setup encourages teamwork and makes solving the puzzles more fun.

If you’re with a larger group in Leiden, you can create multiple teams by purchasing additional tickets and compete to see which team completes the mission first!

No, you don’t need to book a specific time slot. You can start The Leiden Syndicate at any time on your chosen date.

This flexibility makes it easy to combine the game with other plans during your visit to Leiden!

The game is suitable for families with children aged 8 and up. The puzzles focus on logic, teamwork and problem-solving rather than scary content.

Families often enjoy playing together, as everyone can contribute to completing the mission and recovering the stolen formulas!

The Leiden Syndicate is available in English, Dutch. You can select your preferred language during booking the game.

This makes the City Escape Game in Leiden accessible for international visitors and mixed-language groups!

To play the game in Leiden, you’ll need a charged smartphone with mobile internet access and GPS enabled. Everything else is provided digitally after booking.

You’ll receive login details and instructions by email, so no additional preparation is required!

Yes, you can pause the game at any moment and continue later. This allows you to play entirely at your own pace.

Whether you want to take a short break or continue at another moment, the game easily adapts to your plans in Leiden!

The game uses Leiden as the setting for the escape mission, but the focus is entirely on puzzles, tasks and storytelling. It does not include historical information or guided sightseeing content.

This makes The Leiden Syndicate ideal for players who enjoy mission-based gameplay and escape-style challenges!

Your favourite City Games, professionally hosted by our team

Enjoy the same City Games as our self-guided version, but with full on-site support from our professional hosts. We take care of the briefing, tablets, coordination and technical support, so your group can focus entirely on the fun and competition.

What’s included:

  • Same City Game, fully hosted
    You play the exact same experience as our self-guided version, now with our hosts guiding your group.
  • Live ranking & prize ceremony
    For larger groups, our hosts reveal the final scores and announce the winning team with a fun award moment.
  • Hosted start & finish
    We welcome your group, explain the game clearly and end with an exciting wrap-up.
  • Real-time support during the game
    Our team assists with devices, app issues and coordination throughout the experience.
  • Tablets included (optional)
    Available for groups who prefer using our devices instead of their own.

Trusted by teams worldwide, from small groups to large corporate events.

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Ready for an unforgettable adventure?

Explore Leiden in a unique and interactive way with our The Leiden Syndicate City Game. Play today and create lasting memories!