Complex sentence: Based on the Atari 65XE computer, the XEGS is compatible with the existing Atari 8-bit computer software library, and able to operate as a stand alone console or full computer with the addition of it's specially designed keyboard.
Split into simpler sentences: Based on the Atari 65XE computer, the XEGS is compatible with the existing Atari 8-bit computer software library. Additionally, it is able to operate as a stand alone console or full computer with the addition of it's specially designed keyboard.