A video game system that offers sense of realism and excitement is provided. This video game system comprises a player information storage unit 371 that stores player information including information regarding virtual money used in the game, a real money conversion unit 161m that performs conversion between virtual money and real money, a virtual money conversion unit 161n that performs conversion between virtual money and prescribed pseudo-values, a virtual money accumulation unit 361b that increases the amount of virtual money stored in the player information storage unit via calculation using the real money conversion unit, and a game result integration unit 161p that converts the amount of increase or decrease in pseudo-values that occurs each time the game is executed into virtual money, adds the increase or decrease to or subtracts from the player's current virtual money amount, and updates the player information stored in the player information storage unit 371 accordingly.