Play Tic Tac Toe Online
Free online tic tac toe — play vs computer, locally, or with friends
How to play
About this game
TicToe.org is a free online tic tac toe game (also known as noughts and crosses or Xs and Os). Play instantly in your browser — no app to install, no account to create. Choose between three modes: a single-player match against an AI on easy or unbeatable difficulty, a local two-player pass-and-play game, and online multiplayer where you can invite a friend with a shareable room code or get matched with a random opponent. The game has a surprisingly rich history stretching back to ancient Rome.
Frequently asked questions
Can you always win at tic tac toe?
No. With perfect play from both sides the game always ends in a draw. Our unbeatable AI plays optimally using minimax — the best you can do is force a tie. Read our guide on how to never lose at tic tac toe to learn the key moves.
Who goes first in tic tac toe?
X goes first by convention. On TicToe.org the starting player alternates each round so both sides get an equal first-move advantage. Curious about where the name comes from? See why it's called tic tac toe.
How do I play with a friend online?
Pick Online Multiplayer → Invite a Friend. We'll generate a 6-character room code; share the invite link and your friend joins automatically. Read the full multiplayer guide →
Is the game free?
Yes. TicToe.org is 100% free, has no sign-up, and works on phones, tablets, and computers. It's also a great choice for kids — see 5 reasons tic tac toe is good for kids.
What's the difference between Easy and Hard mode?
Easy plays random legal moves, so you can win by paying attention. Hard runs the full minimax algorithm and plays perfectly — it never loses. Try our Terni Lapilli variant for a fresh challenge once you've mastered the classic game.