(idiomatic, almost always preceded by the) The only opportunity, activity, or resource available.

(sports) An impromptu game that is spontaneously started by a group of players.

(UK) Expressing exasperation or impatience with a situation.

Something that makes a major turnaround over the course of its lifespan.

(games) Any simple, humorous game with few rules and little strategy.

Alternative form of game, set, match

Alternative form of game, set, match

(sports, tennis) Victory at the conclusion of a tennis match.

Alternative form of sod this for a game of soldiers

Alternative form of step up one's game