Go — play free online

Implementation of the classic board game, Go. Runs in your browser, free, with no download and no sign-up.

Originally by ismyrnow · MIT licence · source

How to play Go

Is Go free to play?

Yes. Go is free to play in your browser, with no account, no download and no payment.

Does Go work on a phone?

Yes. It runs in a phone browser, and the on-screen pad and swipe controls send the same keys as a keyboard.