Rock paper scissors (also known by several other names and word orders, see § Names) is an intransitive hand game, usually played between two people, in which each player simultaneously forms one of three … See more

The players may start by counting to three aloud, or by speaking the name of the game (e.g. "Rock! Paper! Scissors!"), raising one hand in a fist and swinging it down with each syllable onto their other hand (or in a less common variant, holding it behind their … See more

It is impossible to gain an advantage over an opponent that chooses their move uniformly at random. However, it is possible to gain a significant advantage over a non-random … See more

The name "rock paper scissors" is simply a translation of the Japanese words for the three gestures involved in the game, though the Japanese … See more

The modern game is known by several other names such as Rochambeau, Roshambo, Ro-sham-bo, Bato Bato Pik, and Jak-en-poy. While the game's name is a list of three items, different countries often have the list in a different order.
In North America … See more

Origins
The first known mention of the game was in the book Wuzazu [zh] by the Ming-dynasty writer Xie Zhaozhe [zh] (fl. c. 1600), who wrote … See more

Players have developed numerous cultural and personal variations on the game, from simply playing the same game with different objects, to expanding into more weapons and rules, … See more