Ultimate Tic Tac Toe — play free online

Multilingual, feature-rich Tic-Tac-Toe game. Runs in your browser, free, with no download and no sign-up.

Originally by VoxDroid · MIT licence · source

How to play Ultimate Tic Tac Toe

Is Ultimate Tic Tac Toe free to play?

Yes. Ultimate Tic Tac Toe is free to play in your browser, with no account, no download and no payment.

Does Ultimate Tic Tac Toe 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.