Xbox
Released in 2001, the Xbox control pad was the first controller made for the original Xbox. The Xbox controller features two analog sticks, a pressure-sensitive directional pad, two analog triggers, a Back button, a Start button, two accessory slots and six 8-bit analog action buttons (A/Green, B/Red, X/Blue, Y/Yellow, and Black and White buttons). The standard Xbox controller (originally nicknamed the "Fatty" and later the "Duke") was originally the controller bundled with Xbox systems for all territories except Japan.
List of Xbox games compatible with Xbox 360
During Microsoft's E3 2017 press conference on June 11, 2017, backward compatibility for original Xbox games on Xbox One family of consoles was announced. Part of the backward compatibility program for Xbox One will see original Xbox games be made available digitally in addition to owners of the original Xbox game disc. Prior to the first batch of original Xbox backward compatible titles for Xbox One were revealed six titles that were never released digitally as part of "Xbox Originals" program for Xbox 360 appeared in its "Games on Demand" store. Microsoft also confirmed that digital licenses would also carry over to Xbox One.