The controller used for the SNES introduces two face buttons X and Y. The four face buttons on the right side are arranged in a diamond shape. Two shoulder buttons are also added and is more ergonomic over the NES controller. The controller was designed by Lance Barr. The Japanese and PAL region versions incorporate the colors of the four action buttons into the system's logo. The North American version's buttons are colored as follows: the X and Y buttons are lavender with concave faces, and the A and B buttons are purple with convex faces. Several later consoles derive elements of their controller design from the SNES, including the PlayStation, Dreamcast, Xbox, and Wii Classic Controller.
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