Zoids Saga is a series of Game Boy Advance (and later Nintendo DS) games based on the Zoids franchise, primarily released in Japan. The series encompasses four games and one international adaptation; Zoids Saga, Zoids Saga II (released as Zoids: Legacy in several English-speaking nations), Zoids Saga III: Fuzors, and Zoids Saga DS The games are closely linked to the Zoids anime series. Because of the difference in time between these anime in the Zoids fictional universe, the games rely heavily on time travel.

Zone of the Enders (ゾーン　オブ　エンダーズ, Zōn obu Endāzu), commonly referred to by the acronym Z.O.E., is a video game franchise created by Hideo Kojima and the video game publisher Konami, and expanded on by the animation studio Sunrise. The original Zone of the Enders was developed for the launch of the PlayStation 2, which has so far spawned a sequel, a Game Boy Advance side-story, an OVA movie, and a twenty-six episode anime series.