Trier
Web-to-app city quest

Play the city game of Trier

An interactive adventure through Trier. 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
Early AccessFree to play while this route earns its first reviews.

🏅 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? →

8highlights
4hidden gems
4km route
Difficulty: moderate

12 stops · 4 km · ±1.75 h

4.0 km · 1.8 km back to the starting point.

Starts at Roman City Wall and ends at Roman Bridge.

This is what a challenge feels like:

An ancient Roman scroll detailing the construction of the Porta Nigra was found, but parts are missing. Restore the fragment below by filling in the blanks. 'The Porta Nigra was constructed around 170 AD, primarily using large blocks of sandstone. Its original purpose was to serve as a northern city _____, protecting Augusta Treverorum. Later, it was converted into a double-_____ church, dedicated to Saint Simeon.' Which word completes the first blank?

Read how the escape game works

Longest stretch between two stops: 600 m

The story

The Order of the Secret Map

Welcome, Explorer. The Order of the Hidden Map has opened a route for you in Trier that ordinary visitors never fully perceive. Here, where the echoes of Roman emperors still drift through colossal gates, where the Mosel gently flows past ancient bridges, and rococo palaces whisper of grandeur, the stones reveal their deepest secrets to those who know how to look.

A glimpse of the story — discover the rest while playing.

About this city walk

Discover Trier on a self-guided walking tour

Our interactive walking tour of Trier 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 Trier 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 Trier — 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 Trier — 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 Trier

Welcome, Explorer. The Order of the Hidden Map has opened a route for you in Trier that ordinary visitors never fully perceive. Here, where the echoes of Roman emperors still drift through colossal gates, where the Mosel gently flows past ancient bridges, and rococo palaces whisper of grandeur, the stones reveal their deepest secrets to those who know how to look.

Along the way you'll pass Porta Nigra, Hauptmarkt, Electoral Palace, Rhineland State Museum Trier, Kaiserthermen and Karl Marx House — and beyond these highlights you'll discover plenty more, including 4 hidden gems in Trier that only locals know about.

Ready for the adventure?

Start your mission in Trier

Play right now in your browser — no download, no account.

No download · no account