N-player game
In game theory, an n-player game is a game which is well defined for any number of players. This is usually used in contrast to standard 2-player games that are only specified for two players. In defining n-player games, game theorists usually provide a definition that allow for any number of players. The limiting case of is the subject of mean field game theory.
Changing games from 2-player games to n-player games entails some concerns.