Gravity One is a casual game being released in 2014 for the game players all over the globe. The player needs to control the movement of a ball and drop it in the wormhole. Drop as much ball as you can using the gravity effect. The position of the wormhole will change in every level of the game.
Additionally, there are some achievements as well that you will need to achieve. Gravity One is a top rated game and it is available for free on Apple app store.