Game
Early commercial systems such as Plato were at least as widely famous for their games as for their strictly educational value. Popular sports may have spectators who are entertained just by watching games. A community will often align itself with a local sports team that supposedly represents it ; they often align themselves against their opponents or have traditional rivalries. If cooperation between players is allowed, then the game becomes more complex; many concepts have been developed to analyze such games. While these have had some partial success in the fields of economics, politics and conflict, no good general theory has yet been developed. Rules generally determine the time-keeping system, the rights and responsibilities of the players, scoring techniques, preset boundaries, and each player's goals. This class of games includes any game in which the skill element involved relates to manual dexterity or hand-eye coordination, but excludes the class of video games . The ...