Abstract: Provided is a game machine allowing a game player to give an instruction to perform predetermined game processing to the game machine and an instruction of the condition of when the predetermined game processing is started. The game machine performs game processing at given time intervals, updates one or more game-related parameters, and causes the update to be reflected on a game screen. A storage unit (50) stores a parameter condition representing the condition of parameters in correspondence with each of a plurality of items of operation information indicating details of an operation for making the game machine execute given game processing. A judging unit (56) judges whether or not the one or more parameters satisfy the parameter condition corresponding to operation information indicating details of a game player's operation. A game processing executing unit (58) starts executing the given game processing in accordance with a judgment made by the judging unit (56).