With Square Enix, Ishimoto has composed music for such games as Before Crisis: Final Fantasy VII, Last Order: Final Fantasy VII, Crisis Core: Final Fantasy VII, Final Fantasy Type-0, Final Fantasy Agito, The World Ends with You, and Kingdom Hearts 3D: Dream Drop Distance.
He also composed the music for each installment in the Dissidia Final Fantasy fighting game series, including the upcoming Dissidia Final Fantasy NT PlayStation 4 game.
He also composed music for the Last Order Final Fantasy VII OVA.
Dissidia Final Fantasy NT will ship in Japan on January 11 and in North America on January 30.