Jumping about on platforms to get to a warp is not something we thought a game would ever decide was a good idea, too damn radical. But it works. In Gray you are a blubbery little lad with a handy ability to draw differently shaded gray lines to get around. These gray lines can augment the normal platform environment, and they can interact with it too. Use a gray line to press and hold a button. But remember you can only use a certain shade in one place at one time.