About this site

Vanishing Tic-Tac-Toe is a free browser game that adds a disappearing-mark rule to classic tic-tac-toe.

Games

Play 3×3 tic-tac-toe, 6×6 five in a row, or 4×4×4 3D Connect Four. One-player mode includes three CPU difficulty levels, while Two-player mode lets friends share one device.

Devices

The games work in modern desktop, tablet, and mobile browsers. No account or installation is required.

Updates

We continue to improve the games, rules, and accessibility.