Definition of "subgame" []

• A subset of a game that can be considered a game in its own right (noun)
• A minor or incidental game within a larger video game; a minigame. (noun)

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• "It can be expressed by saying that the strategy-pair is a nash equilibrium for every subgame of the original game, where a subgame is the result of taking a node of the original game tree as the root, pruning away everything that does not descend from it."
• "Other participants selections provided results that were consistent with the trust and reciprocity effects observed in the 1995 Berg, Dickhaut, and McCabe experiment, in contrast with the subgame-perfect equilibrium expected by neoclassical economic assumptions."
• "If there was a subgame involving bikini models we'd really be talking, but there isn't, so shut up."