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Rock-paper-scissors-lizard-spock - Wikipedia, the free encyclopedia
The normal form matrix of Rock-paper-scissors-lizard-Spock. Rows represent available choices for player 1, columns those for player 2. Numbers in cells show utility (payoff) for player 1, player2. Rock-paper-scissors-lizard-Spock is a five-gesture expansion of the classic selection method game rock-paper-scissors . It operates on the same basic principle, but includes two additional weapons: the lizard (formed by the hand as a sock-puppet-like mouth) and Spock (formed by the Star Trek Vulcan salute ).