Gravity my way... When stopped click on Baby or use UP arrow. You can change Gravity and speed when using in your projects. Gravity is the rate which sprite will accelerate or decelerate during movement. Higher values: Fast acceleration / deceleration. Speed is the initial speed of object. It will change according to height and gravity. You change how bouncy the object is by changing 10 value in ''Change speed by -1xSpeed/10'' Higher values more bouncy. 1 No bounce at all. You ''should'' change ''Set Y to ...'' or sprite will continue jumping forever.