Tic-Tac-Toe (vs AI) — a 3x3 brain break against an unbeatable AI or a friend on one screen
Play the classic 3x3 Tic-Tac-Toe game right in your browser. Face the built-in AI on your own, or pass a single device back and forth for two-player matches. It is perfect for a quick break or a light mental warm-up between tasks.
How to use
- Pick "Vs AI" or "2 Players" mode from the top toolbar.
- In AI mode, choose Easy, Normal, or Hard difficulty.
- Tap an empty cell to place your X. You are always X and always move first.
- When a round ends, press "New Game" to play again while your score carries on.
Features & tips
- Hard difficulty uses a full minimax search, so flawless play only earns a draw and any slip loses.
- Normal makes the best move about 70% of the time and plays randomly otherwise, leaving you a real chance to win.
- The scoreboard below tracks X wins, draws, and O wins automatically.
- The three winning cells are highlighted so you can instantly spot the line.
FAQ
Q. Can I beat the Hard AI? A. No, it plays perfectly. Flawless play from you results in a draw at best.
Q. What happens to my score when I switch modes? A. Switching modes resets the scoreboard to zero and starts a fresh round.
Q. Do I need to install anything? A. No, it runs directly in the browser with no installation required.
