Tic Tac Toe – Play vs Friend or Computer
Choose your mode and difficulty, then tap a square. The computer can play Easy, Normal, or Unbeatable.
Ready. Choose options and press New Game to start.
Tip: Use Tab + Enter/Space to play with the keyboard.
Player (X)
0
Draws
0
Computer (O)
0
Frequently Asked Questions
Can I play against the computer?
Yes—choose Computer and pick Easy, Normal, or Unbeatable.
Is the game private?
Absolutely. It runs entirely in your browser; scores are optional and stored only locally.
How do keyboard controls work?
Tab to a square, then press Enter or Space to place your mark.
What makes the AI “Unbeatable”?
It uses a minimax search with alpha–beta pruning and symmetry shortcuts—it won’t lose.