Chrono Cross is a 1999 role-playing video game developed and published by Square for the PlayStation video game console. It is set in the same world as Chrono Trigger, which was released in 1995 for the Super Nintendo Entertainment System. Chrono Cross was designed primarily by scenarist and director Masato Kato, who had help from other designers who also worked on Chrono Trigger, including art director Yasuyuki Honne and composer Yasunori Mitsuda. Nobuteru Yūki designed the characters of the game.

Chrono Trigger is a 1995 role-playing video game developed and published by Square. It was originally released for the Super Nintendo Entertainment System as the first entry in the Chrono series. The game's development team included three designers that Square dubbed the "Dream Team": Hironobu Sakaguchi, creator of Square's Final Fantasy series; Yuji Horii, creator of Enix's Dragon Quest series; and Akira Toriyama, character designer of Dragon Quest and author of the Dragon Ball manga series. In addition, Takashi Tokita co-directed the game and co-wrote the scenario, Kazuhiko Aoki produced the game, while Masato Kato wrote most of the story. The game's plot follows a group of adventurers who travel through time to prevent a global catastrophe.