Rescue in Brussels: The Vanishing of Detective X image 1

Rescue in Brussels: The Vanishing of Detective X

🔒 Instant Access: Book now and start immediately. No need to wait for a guide.

⏱️ Total Flexibility: Start, pause, and resume whenever you want.

🧩 Gamified Discovery: Solve 10 location-based puzzles to unlock hidden stories and secret spots.

📍 Starting Point: Hotel, De Brouckere, 1000 Bruxelles, Belgium

🛡️ Free Cancellation: Cancel up to 24 hours before your planned start for a full refund.

🌐 Available In: 🇬🇧 English 🇫🇷 Français

★★★★★Join 100+ explorers who unlocked Rescue in Brussels: The Vanishing of Detective X.
Quick start

Single Mission

Just looking for a single adventure?

Access: 1 Quest (Rescue in Brussels: The Vanishing of Detective X)
Devices: 1 device included
€12.99per device
Best for travellers

Brussels City Pass

The complete Brussels adventure.

Access: Brussels City Pass Quests
Devices: 2 Devices Included
€39.99
Best value

Annual Pass

Play any quest in 1000+ cities for the price of a dinner for two.

Access: All 800+ Cities Globally
Devices: 2 Devices Included
€79.99

Places you will visit

10

It will take you

80-110 mins

You will walk

3290 steps

Total distance

2.5 km

Route you will explore

Loading map…
Finish point Musical Instruments Museum
Rue Montagne de la Cour 2, 1000 Bruxelles, Belgium

About this quest

Brussels is buzzing—but beneath its charming streets, a dangerous game unfolds. You’ve been summoned by the legendary Detective X to discuss a chilling case: a mysterious kidnapper cloaked in black. But before you even meet... Detective X vanishes. Coincidence? Or a trap?

Now the fate of the city’s greatest mind rests in your hands. Follow the kidnapper’s cryptic clues through the heart of Brussels, solve real-world puzzles, and uncover hidden secrets before time runs out. 

This walking adventure is perfect for friends and families ready to step into the story. Explore the city, test your wits, and connect over an unforgettable rescue mission. Will you crack the case before it’s too late?

Highlights

  • Discover famous and less famous Belgian symbols

  • Find out about Einstein's links with this lovely capital

  • Psychoanalyze one of the most famous Surrealist Belgian painters of the 20th century

  • Impress your friends with your newly acquired knowledge about the Art Nouveau current

  • Learn how to escape death 7 times from the Belgian inventor of the saxophone

The mission: Your story in Brussels

The greatest detective of all time, Detective X, has invited you to Brussels to talk to you about a case he has been working on for the past few months. 

It's about a mysterious serial kidnapper dressed in a black coat. But as soon as you arrive... Mr. X himself disappears! Could there be a connection between the two? 

The kidnapper has planted clues all over Brussels and so it falls on your shoulders to discover the secret and rescue Mr. X! Hurry up! He may be in great danger!

Tips & Recommendations

👟

Wear Comfortable Shoes

You will be walking throughout the city, so comfortable footwear is essential for enjoying the experience.

🔋

Charge Your Phone

Make sure your smartphone is at least 60% charged. The quest runs through the Questo app, and you will be using it throughout.

🌤️

Check the Weather

This is an outdoor activity. Bring an umbrella or sunscreen depending on the forecast.

📸

Bring a Camera

You will discover photogenic locations and hidden gems perfect for capturing memories.

💧

Stay Hydrated

Bring water, especially during warmer months or longer quests.

👥

Play with Friends

While you can play solo, quests are more fun with friends or family. One ticket works for a group.

Ratings and Reviews

4.54

39 ratings

5 Stars
59%
4 Stars
36%
3 Stars
5%
2 Stars
0%
1 Star
0%
Reviews
Sort by

M & K Honeymoon

16 Dec 2025

sammy

02 Sep 2025

Lise

14 Aug 2025

SuriC

14 Aug 2025

Alexa Duca-Cruz

08 Aug 2025

Beat the best: Top Brussels explorers

M & K HoneymoonSeeker
3100 XP
DilaraRookie
3100 XP
NDGRookie
3100 XP

Compare Questo vs. Guided Walking Tours

Flexibility

Regular Guided Tours

Fixed schedules & no pausing

Questo

Start, pause, and resume anytime

Privacy

Regular Guided Tours

Crowds of up to 30 strangers

Questo

Private experience for your group only

Pricing

Regular Guided Tours

$30-$40 per person

Questo

Affordable per-group pricing

Availability

Regular Guided Tours

Requires advance booking

Questo

Instant access 24/7/365

Experience

Regular Guided Tours

Passive listening to a guide

Questo

Active gamification; you solve the mystery

Have an unlock code?

Download Questo and playin the real world

Download on the App StoreGet it on Google Play