A device for playing a game in an autonomous vehicle, the device comprising: a display device disposed at a position around a seat and configured to display a game execution screen when the game is executed; and a joystick disposed at a position around the seat, characterized in that the game is configured to use the seat and a ball, and the device further comprises: a body pressure sensor internally disposed in a seatback and a seat cushion at laterally symmetrical positions of the seatback and the seat cushion, the body pressure sensor configured to sense a body pressure distribution of an upper body of a passenger and a body pressure distribution of a lower body of the passenger; and a game module connected to a front portion of the seat cushion, the game module 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, wherein the controller is configured to output the game execution screen to the display device, and to control overall execution of the game based on a sensing signal from the body pressure sensor and sensing signals from the force sensors, and the joystick is configured to manipulate the ball in the game. a display device disposed at a position around a seat and configured to display a game execution screen when the game is executed; and a joystick disposed at a position around the seat, characterized in that the game is configured to use the seat and a ball, and the device further comprises: a body pressure sensor internally disposed in a seatback and a seat cushion at laterally symmetrical positions of the seatback and the seat cushion, the body pressure sensor configured to sense a body pressure distribution of an upper body of a passenger and a body pressure distribution of a lower body of the passenger; and a game module connected to a front portion of the seat cushion, the game module 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, wherein the controller is configured to output the game execution screen to the display device, and to control overall execution of the game based on a sensing signal from the body pressure sensor and sensing signals from the force sensors, and the joystick is configured to manipulate the ball in the game. a body pressure sensor internally disposed in a seatback and a seat cushion at laterally symmetrical positions of the seatback and the seat cushion, the body pressure sensor configured to sense a body pressure distribution of an upper body of a passenger and a body pressure distribution of a lower body of the passenger; and a game module connected to a front portion of the seat cushion, the game module 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, 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, wherein the controller is configured to output the game execution screen to the display device, and to control overall execution of the game based on a sensing signal from the body pressure sensor and sensing signals from the force sensors, and the joystick is configured to manipulate the ball in the game.