Smooth jumping in 2D platformers [duplicate] The first method being that as soon as the player presses the space bar, his position on the Y-Axis is automatically updated so that he is now 50 pixels higher. This didn't work, because his player model immediately jumped up . When jumping regularly, Mario experienced a gravity of m/s^2 ( times Earth gravity). Here he had a push-off velocity of m/s. When high-jumping, Mario experienced a gravity of m/s^2 ( times Earth gravity). 2D Driving Simulator Unblocked is one of the most played arcade games on realtime-windowsserver.com you are a fun of this game but you want to play the game at school without blocked. Then you are at the right place! Here you can find educative unblocked games to play at school.