A gaming device in an autonomous vehicle includes: a body pressure sensor disposed in a seatback and a seat cushion at laterally symmetrical positions thereof and sensing a body pressure distribution of an upper body of a passenger and a body pressure distribution of a lower body of the passenger; a display device disposed at a position around a seat and displaying a game execution screen when the game using a ball is executed; a joystick disposed at a position around the seat and manipulating the game; and a game module connected to a front portion of the seat cushion and comprising: the ball enabling the passenger to kick the ball by a foot; a plurality of force sensors mounted on the ball; and a connector for holding the ball and outputting signals from the force sensors to a controller.