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Unbeatable Tic-Tac-Toe AI
Build an AI opponent that literally cannot lose — the best you can do is tie.
🔴 HardDifficulty
3-4 hoursTime
Python, JavaScript, TypeScriptLanguages
What you're building
A classic 3x3 tic-tac-toe board, except the computer player is powered by the same game-tree search algorithm used in real strategy games. You'll teach the AI to look ahead at every possible future, score each outcome, and always pick the move that guarantees the best result. By the end, you (and everyone who plays it) will not be able to beat it. That's the whole point.
What you'll unlock 🔓
You'll need
- Basic JavaScript
- Functions and arrays
- A code editor
- A browser
🗺️ Build roadmap
01 Build the 3x3 board and click handling
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02 Add win/tie detection
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03 Wire up a random-move computer opponent
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04 Understand the minimax concept
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05 Implement recursive minimax scoring
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06 Swap in the minimax AI
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07 Add difficulty levels and polish
🔒
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