Masato Kato's first title at Square was Chrono Trigger as the game's story planner and script writer.
[2] Kato left Square after designing the plot of Final Fantasy XI: Rise of the Zilart to become a freelance scenario writer.
In addition to games for different companies, he has continued to work on Square Enix projects such as the World of Mana series, an enhanced port of Chrono Trigger for the Nintendo DS, and three more expansion chapters for Final Fantasy XI.
In 2017 he released a spiritual successor to the Chrono series for iOS and Android, titled "Another Eden: The Cat Beyond Time and Space."
Additionally, the game features an opening theme created by Yasunori Mitsuda, who also worked on Chrono Trigger‘s music.