Hexagons
Hexagons is a 1923 puzzle game (author unknown) published by Clement Toy Co. The rules include a puzzle called Nine-Hex, which is a variation of the 15-Hex puzzle.
Read MoreThe National Mathematical Games Championship had its 18th edition on March 14th (π day) at the University of Aveiro.
Around 1,800 students from over 300 schools, from primary to secondary, participated. Each student played one of six mathematical games: Cats and Dogs, Traces, Dominoes, Product, Atari-Go, and Nex.