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Solve the mystery of the missing Dom Tower bells and restore harmony to the old city!

Discover who wants to steal the valuable core of the world-famous boulder and save the symbol of the city!

The previous election results are wrong. Votes disappeared, numbers shifted, and no one dares to say what's really going on. An official investigation will not take place unless you intervene.

Can you discover who is leaking sensitive information? Decipher how the perpetrator operates and prevent celebrities' secrets from being revealed!

The secret recipe of Alkmaar cheese has been a big secret for years. You are going to steal this recipe with your friends.

A lost letter from the world-famous thinker Desiderius Erasmus disappeared centuries ago. Discover what he predicted and bring the truth to light.

You suddenly find yourself in a life-sized Monopoly game. The streets of Groningen have disappeared from the board, and without you, the game is completely disrupted. Find the lost streets in the city and restore the game.