tic tac toe

"Tic Tac Toe" and "Noughts and crosses" redirect here. For other uses, see Tic Tac Toe (disambiguation) and Noughts and crosses (disambiguation).

Tic-tac-toe

Tic tac toe.svg

A completed game of Tic-tac-toe

Genre(s) Paper-and-pencil game

Players 2

Setup time Minimal

Playing time ~1 minute

Random chance None

Skill(s) required Strategy, tactics, observation

Synonym(s) Noughts and crosses

Xs and Os

Tic-tac-toe (American English), noughts and crosses (British English), or Xs and Os is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game.

The following example game is won by the first player, X: