(games) A type of game where one or more players assume the roles of characters (usually one each) to interact with a fictional world either defined by themselves or through the moderation of a neutral judge (usually referred to as the game master).

A clock used to time a game.

Any game played with a ball. / A specific contest or match between teams playing such a game, in particular a baseball game.

(idiomatic) A foolish, profitless, or hopeless undertaking.

Any of several confidence tricks in which something worthless is substituted for something of value, often in a sealed envelope.

plural of cash game

plural of ring game

Any of various children's games where participants form a ring or circle, often with hands joined.

(poker) A game where the chips directly represent money and players are free to leave at any time, in contrast to a poker tournament.

(informal) An attempt to psychologically manipulate or intimidate someone. / A mental pursuit or obsession. / Skill at fellatio.