Gomoku

Play Gomoku against the computer or other people right in your browser, no installation needed. 15x15 board: whoever lines up 5 stones in a row (horizontal, vertical or diagonal) first wins. Playing the computer needs no account. To play a friend privately, create an invite link. Neither of you needs an account. Sign in with Google to put your score on the leaderboard and to enter the arena.

• Play Gomoku vs computerYou play red X and move first, the computer plays blue O. Five levels, from easy to hard.
• Play a friend privatelyCreate an invite link; your friend just opens it and you're playing. No account needed to join, no points.
• Arena: play other peopleStep onto the arena and get challenged by players at your level (or anyone). Scored like games against the computer.
• LeaderboardSign in with Google to save your score and appear on the board.
• Embed the board on your siteGet a short snippet to paste into any web page.