⭐ Starlight Tools / Tic Tac Toe

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.