Blue Dragon is a role-playing video game developed by Mistwalker and Artoon and published by Microsoft Game Studios for the Xbox 360. Blue Dragon is based on a design by Final Fantasy series creator Hironobu Sakaguchi, who also supervised development and wrote the plot. It is both Mistwalker's debut title and the first title to be helmed by Sakaguchi outside of Square Enix.

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.