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 ...

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 ...

If you Google for “tic-tac-toe” or “tic tac toe,” you’ll also see a playable game in a card in the search results. You can adjust the settings here to Easy, Medium or Impossible.

The Ben 10 games, Flipping coin games, Tic-Tac-Toe game, and more are all available to play for free on the Tic Toe Toe Beast website.

"Using this mechanism, we created the world's smallest game board for playing tic-tac-toe, where every move involves molecular self-reconfiguration for swapping in and out hundreds of DNA strands ...