zero-sum game
mathematical representation of a situation in which each participant's gain or loss of utility is exactly balanced by the losses or gains of the utility of the other participants
rock-paper-scissors
hand game for two players
Matching pennies
simple game studied in game theory
strictly determined game
two-player zero-sum game that has at least one Nash equilibrium with both players using pure strategies
one, two, some
Malaysian variant of rock, scissors, paper, involving rock (which beats bird), water (which beats stone) and bird (which beats water)