Click the green flag to begin. As Sheldon on "The Big Bang Theory" explains, "Scissors cuts paper, paper covers rock, rock crushes lizard, lizard poisons Spock, Spock smashes scissors, scissors d-capitates lizard, lizard eats paper, paper disproves Spock, Spock vaporizes rock, and as it always has, rock crushes scissors."
This game, invented by Sam Kass and Karen Bryla, is an extension of Rock Paper Scissors, which uses five objects to reduce the chance of a tie.
