About xoxo

Free multiplayer 5-in-a-row — gomoku in the browser.

Play 5 in a Row Online with Friends

xoxo is a free multiplayer game where you and a friend take turns placing Xs and Os on a 20×20 board. The first to line up five in a row — horizontally, vertically, or diagonally — wins. It's also known as gomoku or five-in-a-row: the classic tic-tac-toe scaled up for real strategy. No sign-up, no downloads, no ads.

How to play

  1. Pick a name and create a game, or join one from the public lobby.
  2. Share the invite link with a friend.
  3. Take turns placing your mark on the 20×20 board.
  4. The first to line up five in a row wins.

FAQ

What is xoxo?
xoxo is a free online multiplayer take on tic-tac-toe. You and a friend play 5 in a row on a 20×20 board — the first to line up five marks in a row, column, or diagonal wins.
Is it free to play?
Yes. xoxo is completely free — no sign-up, no ads, no downloads.
How many players can play?
Two players per game. Create a game and share the invite link, or join a public game from the lobby.
How is it different from classic tic-tac-toe?
Classic tic-tac-toe uses a 3×3 board and you win with 3 in a row. xoxo uses a 20×20 board and you need 5 in a row — the same game is also known as gomoku or five-in-a-row.
Do I need an account?
No. Just pick a name and you’re in.
Does it work on mobile?
Yes. The board and controls are fully responsive and work on phones, tablets, and desktop.