Patent ID: 8348735

Claim:
A game machine which executes game processing at given time intervals, updates one or more game-related parameters, and causes the update to be reflected on a game screen, wherein the game is a ball sport game performed by a game player's team, the game player operating a game player character belonging to the game player's team, and an opposing team, the game machine comprising: a storage device that stores a parameter condition in correspondence with each of a plurality of items of operation information, the parameter condition indicating a degree of pass difficulty about the one or more game-related parameters, the operation information indicating details of an operation for making the game machine execute a given game processing, wherein the one or more game-related parameters include a parameter indicating a current position of a character belonging to the opposing team, and a parameter indicating a current position of the ball or the character belonging to the game player's team other than the game player's character and keeping the ball; the given game processing comprises processing, in a processor, passing of the ball from another character belonging to the game player character's team that is in possession of the ball to the game player's character, in response to an instruction generated based on the degree of pass difficulty specified by the game player, the degree of pass difficulty including a first level indicative of a low degree of difficulty comprising an opposing team player not being near a trajectory of the ball, a second level indicative of a medium level of difficulty comprising the opposing team player being near the trajectory of the ball, and a third level indicative of a high level of difficulty comprising the opposing team player being in the trajectory of the ball, each of the first, second and third levels corresponding to a different range of amount of operation made to a given operating member; operation details obtaining means for obtaining details of a game player's operation, wherein the operation details obtaining means obtains, as the details of the game player's operation, the amount of operation made to the given operating member; judging means for judging whether or not the one or more game-related parameters satisfy the parameter condition based on an association between the degree of the pass difficulty and the amount of the operation made to the given operating member as obtained by the operation details obtaining means, which is stored in the storage device correspondingly to operation information indicating the operation details obtained by the operation details obtaining means; and game processing executing means for starting execution of the given game processing in accordance with a judgment made by the judging means.