Skip to content
playtictac

Rules

How to play Tic Tac Toe

The rules are simple; the tactics are not. Here's everything you need to know about every mode.

game mode

3×3 · Classic

The classic game. Three marks in a horizontal, vertical, or diagonal line wins. With perfect play on both sides, the game ends in a draw.

game mode

4×4 · Bigger

Four in a row on a four-by-four board. Longer matches, deeper tactics, and significantly fewer draws.

game mode

5×5 · Strategic

Four in a row on a five-wide board. More space means more ways to build two simultaneous threats at once.

game mode

Ultimate · Nested

Nine interconnected 3×3 grids. Your move’s position dictates which mini-board your opponent must play in next.

Know the rules? Learn the patterns to win every match.

Explore center control, fork traps, and the mathematics of forced draws.

Strategy →

regional names & faq

Tic-Tac-Toe Names Around the World

Also known as XO game, Xs and Os, or noughts and crosses (naughts and crosses) — tic-tac-toe goes by many names around the world, but the rules are the same everywhere. Whether you call it the XO XO game or classic noughts and crosses, two tic-tac-toe players take turns placing their symbols on a 3x3 tic-tac-toe board to get three in a row.

Is XO game the same as tic-tac-toe?

Yes, XO game (or Xs and Os / XO XO game) is the exact same game as tic-tac-toe. Players take turns marking a 3x3 board with X and O to align three symbols in a row.

Is noughts and crosses the same as tic-tac-toe?

Yes, noughts and crosses (also spelled naughts and crosses) is the traditional British and Commonwealth English name for tic-tac-toe. Nought refers to the O (zero) mark and cross refers to the X mark.

What are the rules of two player tic-tac-toe?

Two tic-tac-toe players choose X or O and alternate turns marking empty spaces on a classic 3x3 tic-tac-toe board. The first player to connect three marks horizontally, vertically, or diagonally wins. If all nine squares fill with no line, the game ends in a draw.

Put the rules into practice.

Play the computer or challenge a friend online for free.