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Classic 3×3 tic-tac-toe against a random AI, an unbeatable minimax AI, or a friend. Keeps score across rounds.
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
Play the classic 3x3 Tic-Tac-Toe game directly in your browser against a random AI, an unbeatable minimax AI, or a friend in local two-player mode, complete with score tracking across rounds.
Background
A user wants to test if they can find a loophole in a perfect tic-tac-toe algorithm.
Problem
Finding a game mode that plays optimally without making mistakes.
How to use
Set the Opponent Mode to 'AI - Hard (minimax, unbeatable)' and choose Player X to go first.
Opponent Mode: AI - Hard, First Player: XOutcome
The game starts with the minimax AI defending perfectly, resulting in a draw or an AI win if the player makes a mistake.
Background
A parent wants to play a quick, distraction-free game of tic-tac-toe with their child on a shared tablet.
Problem
Playing together locally without needing physical paper or installing an app.
How to use
Select 'Two players (local)' from the Opponent Mode dropdown and start taking turns on the grid.
No, the Hard AI uses the minimax algorithm, which plays optimally. The best possible outcome against it is a draw.
Yes, the game automatically tracks wins, losses, and draws across consecutive rounds.
Yes, select the 'Two players (local)' option to take turns playing on the same screen.
You can configure the first player to be either Player X (you) or Player O (the opponent) before starting.
The Easy AI makes random moves, while the Hard AI uses a minimax algorithm to block your moves and play flawlessly.
Opponent Mode: Two players (local)Outcome
Both players take turns placing X and O on the same screen, with the tool tracking their scores over multiple rounds.