A server system that is communicably connected to a game device that is installed in a game operating entity includes a game data storage section, a read section that reads user data about a player, a transmission section that transmits the user data to the game device before the player starts playing the game, a reception section that receives game result data from the game device after the player has finished playing the game, a write section that writes the game result data into the game data storage section, and a charging section that performs a charging process that charges the game operating entity for at least one of a load process and a save process, the load process reading the user data and transmitting the user data to the game device, and the save process receiving the game result data from the game device and writing the game result data into the game data storage section.