Rock Paper Scissors Traces Back to an Ancient Chinese Hand Game

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Rock Paper Scissors looks like a simple childhood game, but its history reaches much further back. The earliest known written mention comes from a Chinese work written around 1600, which says an earlier hand game was already known during the Han dynasty. That does not prove the modern game existed in exactly its current form in 206 BCE, so the often repeated claim that Rock Paper Scissors was invented in 206 BCE is stronger than the surviving evidence supports. Chinese hand games based on a three-way cycle later influenced Japanese traditions, where related ken games developed and the familiar modern rock, paper, and scissors pattern eventually took shape. The game then spread beyond East Asia and became a common way to settle small decisions. Its basic appeal comes from the circular structure: each sign defeats one other sign while losing to another. The history also helps explain why different cultures and periods have used different objects, names, and gestures while keeping the same basic three-way logic.