Like
Turn
Y
X
You
VS
D
O
Dusty AI
Game Guide
How to Play Tic Tac Toe
Classic Noughts and Crosses
Win the 3x3 Grid
Tic Tac Toe is the classic strategy board game built for quick reads, smart blocks, and clean wins.
Play tic tac toe online for free and master the timeless noughts and crosses rules. Place X marks, deny O threats, and line up three in a row before the board fills.
3x3 boardVs AIQuick strategy
Gameplay Preview
Controls & Turn Flow
Desktop
Click any empty square to place your X.
Mobile
Tap a square to drop your X.
Turn Order
You start as X, the computer responds as O. Adjust difficulty to face a sharper tic tac toe strategy.
Objective & Rules
The tic tac toe rules are simple: connect three X marks in a row before O does.
- Win with three in a row: horizontal, vertical, or diagonal.
- Block the opponent when they threaten a line.
- Fill the board with no winner for a draw.
3In a row to win
Strategy Tips
- Take the center early to control the most winning lines.
- Create forks to threaten two wins at once.
- Block immediate threats before building your own line.
- Corner moves are stronger than edges when center is taken.
Difficulty & Practice
Play a quick round to learn the basics or raise the challenge for near-perfect play.
Easy
Learn the board and rules with forgiving AI.
Medium
Expect solid blocks and smarter trades.
Hard
Aim for a draw against tight defense.
于美国 
