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.
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? →
3.6 km · 2.0 km back to the starting point.
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 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.
Zero hassle
No download, no account, no waiting. Open the link and you're playing.
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.
Ready for the adventure?
Start your mission in Heidelberg
Play right now in your browser — no download, no account.
No download · no account