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Rock Paper Scissors

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Rock Paper Scissors · Play vs Pattern-Learning AI

JAY Project's Rock Paper Scissors is not a coin flip. The AI analyses your recent moves and predicts the next one, so any pattern in your play pushes its win rate above 60%. Beating it requires near-true randomness — which humans are surprisingly bad at.

✊✋✌️ Less a game of chance, more a measure of how predictable you are.

Features

  • Pattern-learning AI: Statistically reads recent throws to predict the next.
  • Modes: Best-of-3, best-of-N, or endless play.
  • Lifetime record / streak: Saved in your browser.
  • AI prediction reveal: Each round shows what the AI thought you would throw.

How to Beat the AI

  • Break your pattern: Consciously interrupt any rock-paper-scissors cycle you slip into.
  • External randomness: Map dice or coin flips to throws for true randomness.
  • Watch the after-loss bias: Humans tend to repeat the move that just lost. The AI knows this.

Frequently Asked Questions

Q. How does the AI learn my pattern?

It analyses the moves you made in the last N rounds and statistically predicts the next one. Any repeating sequence pushes the AI win rate above 60%.

Q. How can I actually beat the AI?

Consciously break patterns and approach true randomness. Humans are surprisingly bad at this — using an external random source helps.

Q. How is this different from a plain RNG?

A plain RNG converges to 33.3%. The pattern-learning AI targets 35-55% by reading you, and will reach near-100% against repeated moves.

Q. What's best-of-N mode?

Pick best-of-3, best-of-5, best-of-7, or any cap. Endless mode is for tracking lifetime stats.

Q. Where are streaks saved?

Current streak and lifetime record are stored locally in your browser and persist across visits. Nothing is sent to a server.

Q. What does "AI prediction reveal" show?

After each round you see "The AI predicted you would throw X" — a brutally honest mirror of how predictable you are.


* Built for fun and statistical learning; all data stays in your browser.