Play the city game of Heidelberg
An interactive adventure through Heidelberg. Join the Order of the Secret Map, solve puzzles and uncover highlights and hidden gems at your own pace.
The story
The Order of the Secret Map
Welcome, Explorer. The Order of the Hidden Map has opened a trail for you in Heidelberg that ordinary visitors never fully see. Among the romantic castle ruins, the calm waters of the Neckar, old university squares, and narrow cobbled alleys, lie markers that together reveal the true Heidelberg.
A glimpse of the story — discover the rest while playing.
About this city walk
Discover Heidelberg on a self-guided walking tour
Our interactive walking tour of Heidelberg 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 Heidelberg 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 Heidelberg — solo, with friends, with kids, or as an activity for a city break, bachelor party or team outing.
Along the way you solve puzzles, collect letters and uncover the mystery of The Order of the Secret Map. A unique way to get to know Heidelberg — 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.
What you'll see in Heidelberg
Welcome, Explorer. The Order of the Hidden Map has opened a trail for you in Heidelberg that ordinary visitors never fully see. Among the romantic castle ruins, the calm waters of the Neckar, old university squares, and narrow cobbled alleys, lie markers that together reveal the true Heidelberg.
Along the way you'll pass Neckarwiese, Bismarckplatz, Universitätsbibliothek, Universitätsplatz, Marktplatz and Karlsplatz — and beyond these highlights you'll discover plenty more, including 5 hidden gems in Heidelberg that only locals know about.
More self-guided walking tours
Discover more city walks and escape games in our other destinations.
Ready for the adventure?
Start your mission in Heidelberg
Choose how you want to play — in your browser or via the app.