An exemplary information-processing system includes at least a receiving unit (11) that receives a charge of electronic money usable in a predetermined payment system, a game control unit (12) that makes a game processing executable in response to the receipt of the charge by the receiving unit (11), and a balance control unit (15) that adds an amount of the charge received by the receiving unit (11) to a balance, without decreasing the balance in response to execution of the game processing.