Changing size or win condition restarts the game.

Play Tic-Tac-Toe

Player X's turn

About This Tic-Tac-Toe Game

Welcome to our enhanced online Tic-Tac-Toe experience! This isn't just your standard 3x3 grid (though you can certainly play that!). We've added features to make this classic game even more engaging. You can **customize the board size** anywhere from the traditional 3x3 up to a challenging 10x10 grid. Furthermore, adjust the **number of marks needed in a row to win**, from 3 up to 5 (or the board size, whichever is smaller).

Personalize your game by choosing custom colors for Player X and Player O. Enjoy a clean, modern design that's fully **mobile-friendly** and looks great on any device. Want maximum focus? Hit the **fullscreen button** for an immersive experience. Whether you call it Tic-Tac-Toe, Noughts and Crosses, or Xs and Os, get ready for endless strategic fun!

How to Win at Tic-Tac-Toe

The goal of Tic-Tac-Toe is simple: be the first player to get the required number of your marks in a row – horizontally, vertically, or diagonally. In this version, you set how many marks are needed (3, 4, or 5) via the settings.

Basic Strategy Tips:

Mastering Tic-Tac-Toe, especially on larger grids with different win conditions, involves balancing offense (trying to win) and defense (blocking your opponent). Have fun developing your winning strategy!

A Brief History of Tic-Tac-Toe

Tic-Tac-Toe is one of the oldest and most widely recognized games in the world. Its origins can be traced back to ancient Egypt, where similar games played on grids have been found etched into roofing tiles dating back to around 1300 BCE.

A variation of the game, known as "Terni Lapilli," was popular in the Roman Empire. Evidence of this game has been found chalked all over Roman ruins. Instead of having numerous pieces, each player only had three, requiring them to move pieces to empty squares after all three were placed.

The modern version we play today, often called "Noughts and Crosses" in the United Kingdom, Ireland, Australia, and New Zealand, became popular in Britain in the 19th century. The name "Tic-Tac-Toe" seems to have originated in the United States, possibly derived from an older game played with slates that involved ticking or marking boxes. Despite its simple rules, Tic-Tac-Toe is often one of the first strategy games children learn, teaching basic concepts of planning and pattern recognition. Its enduring appeal lies in its simplicity, accessibility, and the quick, engaging mental challenge it provides.