A thrower used in a game machine includes a joystick having a stick and an induction switch spaced below the stick, a thrower holder holding an electromagnetic valve that is controllable by the induction switch to throw an object away from the thrower holder, a tilting bar pivotally coupled between the joystick and the thrower holder and movable by the joystick to bias the thrower holder in Y-axis direction, a swinging bar pivotally coupled between the joystick and a connection frame that is pivotally coupled between the swinging bar and the thrower holder for enabling the swinging bar to bias the thrower holder in X-axis direction according to the control of the joystick.