An endless notebook for tic-tac-toe
Free online tic-tac-toe
Tic-tac-toe (also known as five-in-a-row or gomoku) is the classic pencil-and-paper game, played right here in your browser on desktop, tablet or phone. Nothing to install, no ads, and it's free.
How to play tic-tac-toe
Two players take turns drawing crosses and noughts on squared paper. The first to line up five of their marks in a row – horizontally, vertically or diagonally – wins. The board is infinite, so the game never ends in a draw from a full grid.
Frequently asked questions
- Is online tic-tac-toe free?
- Yes. The whole game is free, ad-free, and needs no sign-up. You only sign in if you want to save your stats.
- Can I play tic-tac-toe against the computer?
- Yes, with three levels: beginner, advanced and pro. The computer runs in your browser, so it replies instantly.
- How do I play with a friend?
- Pick "Play a live opponent", create a room and send your friend the link. The game starts as soon as they open it. No account needed.
- Do I need to install anything?
- No. It runs in any modern browser, and you can add it to your phone's home screen to play like an app.
- How many marks do you need to win?
- Five in an unbroken row – horizontally, vertically or diagonally.