Board game rules guides

Complete, plain-English rules for every game you can play here: how to set up, how turns work, the special rules people argue about, and how a game is won or drawn. Each guide ends with answers to common questions.

Tic-Tac-Toe rules
Tic tac toe rules in two minutes: the 3x3 grid, taking turns with X and O, how to win, what counts as a draw, plus variants like 4x4 and ultimate tic tac toe. Tic-Tac-Toe · 2 players

More rules guides are added as each game launches. Looking for strategy? See the beginner tutorials.

Tic-Tac-Toe rules