Mobile application about the history of the medieval fortress Koporye in the Leningrad region. Through historical mini-games on the interactive map of the fortress, the user will be able to learn about the structure of defensive towers, underground passages, artifacts and legends of the ancient Russian fortress.

The narrative is based on the historical events of Koporye in the context of 4 eras: the Middle Ages, the New Age, the 20th century and the Present. The interactive fortress map is a key part of the gameplay. Here, each point contains useful material about the buildings inside the fortress and a mini-game that reveals fragments of the story in an interactive format.

The main guide to history and legends is the spirit of the fortress, which accompanies the user throughout the journey through time.