Complex sentence: In 2007, AtariAge released a self-published sequel called "Adventure II" for the Atari 5200, which is heavily inspired by the original; its name is used with permission from Atari Interactive.
Split into simpler sentences: In 2007, AtariAge released a self-published sequel heavily inspired by the original, called "Adventure II". For the Atari 5200, it was used with permission from Atari Interactive.