Tic-tac-toe is a popular game that has stood the test of time and continues to be enjoyed by children and adults alike. Turns out, our furry and fluffy companions, too, love to play this game. And ...

Tic-tac-toe (or “Noughts and Crosses”) is a game simple enough to implement in any computer system: indeed it’s often used in beginner’s programming courses. A more challenging project, and arguably ...

Google just added two new fun Easter eggs to its search results.

Tic-tac-toe doesn’t have much of a rep. Sure, it’s a simple, brief distraction from the monotony of existence, but once your 8-year-old self realizes that you can always force a draw, it loses its ...

Drew Dirksen takes tic-tac-toe to the extreme once again.

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 ...

Community members gathered at Broadway Square to attempt a world record for the most people playing tic-tac-toe at once.

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 ...