Rock Paper Scissors is an intransitive hand game.

It is played between 2 people in which each player simultaneously forms one of three shapes with an outstretched hand - rock, paper or scissors. It is a zero-sum game with three possible outcomes: win, loss, or draw.

It has origins in China.

Rock Paper Scissors originated in China. It was subsequently imported into Japan where it reached its modern
standardised form. After this, it was spread throughout the world in the early 20th century.

It is often used for decision-making.

Similar to coin-tossing, drawing straws or throwing a dice, this game helps come to decisions or solve disputes.