Play Tic Tac Toe Online for Free
3×3, 4×4 & 5×5 Boards · Player vs Player · Hard AI Mode
Enjoy the classic Tic Tac Toe game online with multiple board sizes. Play instantly in your browser with no downloads or installation required. Challenge a friend in player-vs-player mode or test your skills against a smart computer AI designed to block winning strategies.
- ✔ Free to Play
- ✔ No Installation
- ✔ Mobile & Desktop Friendly
- ✔ Instant Gameplay
Tic Tac Toe
Quick • Fun • Strategic
Board Size
Game Mode
Difficulty
Why Tic Tac Toe Is Still So Popular 🎯
Tic Tac Toe is a timeless strategy game that sharpens logic, improves pattern recognition, and delivers quick fun anytime.
Multiple Board Sizes for Every Skill Level 🧩
3×3 Board
The classic experience. Perfect for beginners and fast games.
4×4 Board
More combinations, deeper strategy.
5×5 Board
Advanced mode for expert players.
Can You Beat the Hard AI? 🤖🔥
Hard mode AI predicts your moves, blocks strategies, and punishes mistakes. Winning feels earned.
Frequently Asked Questions ❓
Can I play Tic Tac Toe online for free?
Yes, you can play Tic Tac Toe online for free on PlayboxJS. No registration or payment is required.
Do I need to download or install anything?
No. This Tic Tac Toe game runs entirely in your browser. You can play instantly without installing any app.
What board sizes are available?
The classic 3x3 board is available for everyone. Log in for free to unlock the more challenging 4x4 and 5x5 boards.
Is there a hard mode AI?
Yes. The hard mode AI analyzes the board and blocks winning strategies, making it challenging to defeat.
Can I play against a friend?
Yes. You can play player-vs-player mode on the same device, taking turns.
Is this game mobile-friendly?
Absolutely. The game works smoothly on mobile, tablet, and desktop devices.