Gravity is a puzzle game targeted to young adults. The background story of the game is human migrates to a planet with weak gravity force when the earth is no longer habitable, To survive, human builds an artificial gravity system. However, the unexpected arrival of meteors causes serious damages to the system. Everything is floating out to the space. In order to save the situation, player has to align all the floating elements and pull them back in place before they vanished to the space.