How do you play Tic Tac Toe?

Two players take turns placing their symbol on a 3x3 grid. O goes first, then X. First player to align three symbols wins.

Can you beat the Unbeatable AI?

No. The Unbeatable AI uses minimax with alpha-beta pruning — perfect play. You can at best draw.

Free · No Login · No Ads Developed by Sohan

TIC TAC TOE

Ultimate Edition

Circle

You

Cross

CPU

AI Difficulty

Circle — Player 1

Cross — Player 2

Circle — O

You

Draw

Cross — X

CPU

Turn You

1–9 Place R New round U Undo M Sound T Theme Esc Close

Achievement Unlocked

First Win

Win your first game

Tic Tac Toe Ultimate — Free Online Game by Sohan

Tic Tac Toe Ultimate is the world's most beautiful free online Tic Tac Toe game, developed by Sohan. Play instantly — no download, no login, no ads. Desktop and mobile.

How to Play Tic Tac Toe

Also called Noughts and Crosses, Xs and Os, or Three in a Row — a classic two-player strategy game on a 3×3 grid. O goes first. Align three marks to win. Filled board with no winner is a draw.

AI Difficulty Levels

Novice: random. Beginner: blocks wins. Intermediate: fork detection. Hard: depth-limited minimax. Unbeatable: full minimax with alpha-beta pruning.

Achievements

12 achievements: First Win, Hot Streak, On Fire, Unstoppable, AI Slayer, Strategist, Draw Master, Centurion, Speed Demon, Corner Lord, Pacifist, Minimalist.

Keyboard Shortcuts

1-9: place. R: new round. U: undo. M: mute. T: theme. Escape: close.