A team from SUNY Polytechnic Institute has designed a quantum rule-based simulator known as Quantum Tic-Tac-Toe. The ...

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 ...

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 ...

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 ...

A giant tic-tac-toe grid, with each of the nine squares filled with another smaller tic-tac-toe game board. The rules are a little more sophisticated than regular tic-tac-toe, though. The object is to ...

On the beach, scratching marks in the sand with a stick, my 4-year-old son was already good enough to force a draw in noughts and crosses, also known as tic-tac-toe. In case there is anyone on the ...