In game theory, a futile game is a game that permits a draw or a tie when optimal moves are made by both players.[1][2] An example of this type of game is the classical form of Tic-tac-toe,[3] though not all variants are futile games. The term does not apply to intransitive games, such as iterated prisoner's dilemma or rock–paper–scissors, in which there is no path to a draw or every strategy in the game can be beaten by another strategy.[4]
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