About Tic Tac Toe
Play Tic Tac Toe online against a friend on the same device or take on the computer. Place X and O marks on a 3×3 grid — the first to get three in a row wins. Perfect for quick matches, kids, and anyone who loves simple strategy games.
How to play Tic Tac Toe
- Players take turns placing their mark (X or O) in an empty cell on the 3×3 board.
- The first player to get three of their marks in a horizontal, vertical, or diagonal line wins.
- If every cell is filled and nobody has three in a row, the game ends in a draw.
- In vs CPU mode, pick Easy, Medium, or Hard before you start.
Tips & strategy
- Take the center when you can — it sits on four winning lines.
- Corners are stronger than edges for setting up forks.
- Block your opponent the moment they threaten three in a row.
- On Hard, the CPU plays optimally — draws are common between perfect players.
Tic Tac Toe FAQ
Can I play Tic Tac Toe with a friend?
Yes. Choose Play vs Friend for local pass-and-play on one device.
Is Tic Tac Toe free?
Yes. You can play Tic Tac Toe online here for free with no download required.
Does the CPU cheat?
No. Difficulty only changes how strong the AI plays — Easy makes mistakes, Hard aims for perfect play.