Football Tic Tac Toe turns into a fast-paced battle as I put my teammates through a competitive challenge on the training ...

Here’s another entry in the 7400 Logic contest. [Circuitchef] used gates and a few flip-flops to build a two-player electronic Tic-Tac-Toe game. The full details or shared in the PDF file he links to ...

During the Olympique de Marseille preseason tour in America, I challenged their first team athletes to a high speed tic tac toe agility sprint race. Positioned behind two start lines, both players had ...

Up to equivalence, there aren’t nine distinct opening moves. There are only three. If it isn’t immediately clear to you what “up to equivalence” means here, I urge you to try and figure it out ...

Tic-Tac-Toe is a relatively simple game, and one of the few which has effectively been solved for perfect play. The nature of the game made it possible for [Joost van Velzen] to create a LEGO machine ...

This piece was adapted from an article originally published in 1957 by the mathematician and master puzzler Martin Gardner. For 25 years, Gardner wrote a beloved column called “Mathematical Games” for ...