Puzzle books and Sumtris

Besides my games, puzzle books are also part of my current creative work. One of the most important projects in that area is Sumtris, my own puzzle concept,…

Besides my games, puzzle books are also part of my current creative work. One of the most important projects in that area is Sumtris, my own puzzle concept, which has already appeared in several volumes.

Puzzle book and number puzzles on a creative desk

There are also other puzzle ideas and publications that will gradually find their place on this website, and the blog will be the natural place to talk about them.