Play the city game of Heerlen
An interactive adventure through Heerlen. Join the Order of the Secret Map, solve puzzles and uncover highlights and hidden gems at your own pace.
No app to install, no account — tap and you're playing, right in your browser. The first stops are free.
- In your browser
- No download
- No account
- First stops free
- In your language
🏅 Finish this walk in 2026 and you're a Founding Explorer — a badge from the early days that stays on your profile forever. What's a Founding Explorer? →
The story
The Order of the Secret Map
Welcome, Explorer. The Order of the Hidden Map has opened a route for you in Heerlen that ordinary visitors never fully perceive. Follow the Caumerbeek through the green Aambos, feel the ancient wisdom of The Old Tree, and discover how the deep breath of the mines shaped the city, while the Glaspaleis turns its gaze towards the future. A network of secrets unfolds before you.
A glimpse of the story — discover the rest while playing.
About this city walk
Discover Heerlen on a self-guided walking tour
Our interactive walking tour of Heerlen blends a classic city walk with an escape game. You get a real tour guide in your pocket that takes you past the must-see landmarks of Heerlen and the hidden gems only locals know.
No schedules, no group, no headset. You play the city walk whenever you want, at your own pace. Perfect for things to do in Heerlen — solo, with friends, with kids, or as an activity for a city break, bachelor party or team outing.
Along the way you solve puzzles and uncover the mystery of The Order of the Secret Map. A unique way to get to know Heerlen — more than a regular walking tour, and a fraction of the price of a live guide.
Why players love CityWalkGems
At your pace
No schedules or groups. Start, pause and resume whenever you want.
Highlights + gems
The must-sees plus spots even locals sometimes miss.
Story in every street
History and mystery woven through the city itself.
A fraction of a guide
A real private guide in your pocket, for a fraction of the price.
Zero hassle
No download, no account, no waiting. Open the link and you're playing.
What you'll see in Heerlen
Welcome, Explorer. The Order of the Hidden Map has opened a route for you in Heerlen that ordinary visitors never fully perceive. Follow the Caumerbeek through the green Aambos, feel the ancient wisdom of The Old Tree, and discover how the deep breath of the mines shaped the city, while the Glaspaleis turns its gaze towards the future. A network of secrets unfolds before you.
Along the way you'll pass Aambos, De oude boom, Joods Oorlogsmonument Heerlen, Savelbergmuseum, Glaspaleis and Promenade Park — and beyond these highlights you'll discover plenty more, including 1 hidden gems in Heerlen that only locals know about.
Ready for the adventure?
Start your mission in Heerlen
Play right now in your browser — no download, no account.
No download · no account