Dev.to
6/26/2026

We Built a 2048 Clone, Then Taught It to Play Itself
Short summary
Dev.to shares a technical writeup of building a 2048-style game with level progression and carefully tuned CSS animations (merge burst, shockwave, confetti). When players go idle, an expectimax AI takes over—a decision tree alternating player moves with random tile spawns to find optimal strategies. A snake-pattern weight matrix and corner-lock filter make the AI competitive at depth-4 lookahead.
- •Built 2048 clone with progression levels and sophisticated CSS animations
- •Implemented expectimax AI that activates on idle with visual decision feedback
- •Algorithm uses snake-pattern weights and corner-lock filter for strategic depth
Generated with AI, which can make mistakes.
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