Games based on the children's TV series of the same name.
From Wikipedia: Het Huis Anubis (The House of Anubis) is a Belgian/Dutch children's television drama created by Studio 100 and Nickelodeon, airing in the Netherlands and Flanders. It first aired in September 2006 and the last episode was broadcast on December 4, 2009. [...]
After ending, the show was followed by a spin-off, called Het Huis Anubis en de Vijf van het Magische Zwaard (The House of Anubis and the Five of the Magical Sword). [...]
There is also a German remake, called Das Haus Anubis, which debuted in September 2009 on Nick, and an English language remake, called House of Anubis, which debuted on Nickelodeon in the US in January 2011.