Five in a row, against real people

No download — it plays in the browser. Practise against the computer without an account; sign in with Google to match with people, and your rating and progress follow you.

Online matchMatch with a real player. Casual or ranked, chosen on the board screen.Play the computerPractise against the engine. Free, unlimited, unrated.Play a friendInvite by friend code. Never rated.

A verifiable coin flip

Who plays black is decided by a coin whose result is committed before it is thrown. You can check the hash yourself, every game.

The server is the referee

Every move and every win is judged by the server, not by either player's browser.

Play your friends

Share a code, invite them to a board, or watch the game they are already in. Friend games never affect anyone's rating.

Also on Android

The same game and the same account: sign in with Google and your rating, your friends and everything you own are already there. Free on Google Play.

Get it on Google Play