Rock crushes Scissors: Rock wins against Scissors because a rock can break or crush scissors.

Scissors cuts Paper: Scissors wins against Paper by cutting it.

Paper covers Rock: Paper wins against Rock by covering it.

The game is played in a series of rounds. In each round, both players simultaneously form one of three shapes with an outstretched hand:

Rock: A fist.
Paper: An open hand.
Scissors: A fist with the index and middle fingers extended, forming a V.
After the players have chosen their shapes, the winner is determined based on the rules mentioned above. The game is often used as a simple decision-making tool or a quick and fun way to settle disputes.