Collect Secrets IRL!

Explore cities like an Open World video-game: collect secrets, unlock neighbourhoods, complete quests. IRL or virtually!

Join 1,803 explorers!

Features

Learn about local history by finding 1000s of secret stories around you IRL.

Or fast-travel to anywhere virtually, to scout an area or to travel somewhere faraway.

Reveal a detailed 3D map of the city, one neighbourhood at a time.

Complete themed Quests to help Lindy with their research, and unlock conclusions.

Perfect if you have an Apple Watch - no need to take out your phone then!

Compete with other users about who can find the most secrets!

From a flood dam to a global trade hub, Amsterdam built its identity on commerce, canals, and tolerance.

323 Explorers

A village that governed a republic, The Hague held political power for centuries before receiving official city rights in 1806.

99 Explorers

From Roman fort to bishop's seat, it shaped the Dutch Republic and hosted a landmark European peace treaty in 1713.

69 Explorers

Founded in 1163, Berlin has survived empire, ruin, and division, becoming a living record of European history's extremes.

63 Explorers

Shaped by siege, scholarship, and trade, it grew from a medieval textile hub into a lasting center of European science.

59 Explorers

From sandbar to Golden Age city, this Dutch town survived a Spanish siege to lead Europe in textiles and painting.

43 Explorers

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