The Atari XE Game System (Atari XEGS) is a home video game console released by Atari Corporation in 1987. Based on Atari's 8-bit 65XE computer, the XEGS is compatible with the existing Atari 8-bit computer software library. Additionally, it is able to operate as either a stand-alone console or full computer with the addition of its specially designed keyboard. In computer mode, it may utilize the majority of peripherals released for Atari's 8-bit computer line. Atari packaged the XEGS as a basic set consisting of only the console and joystick, and as a deluxe set consisting of the console, keyboard, joystick and light gun.