Leszek, the families father speaks about mathematics all the time almost. He has a PhD in math and wants to teach everyone about math.
Also Ben is the main character, and the two others are Sophie and Anna. They, together as a family, go on adventures to upgrade their newly gotten house.
This game in unique. It has beautiful texts. It has nice talks. You play 4 different characters which are family members. You enbark on a journey together as a family.