Summer School in Semantics (at BRICS, Aarhus University, Denmark) and in particular the course about category theory there, was the cause of this game. For 2 or more players. One of the designers is Olle Möller. A very abstract card game. The cards are annotated with deep mathematical truth, taken from "category theory", which is a field even considered esoteric by some mathematicians.- Category ID : 62527