All the RAINGRAPH products are directed by

takahiro nakatani

- - - - AceSpeeder2 - - - -
Erik Geslin	machine design
SOLID TUNE	sound design
Akihiko Shirai	international coordination

- - - - AceSpeeder! - - - -
Wataru Kawakami	machine design
Kazumasa Kohara	music composition
T.Phuta	music composition

- - - - OverDrive - - - -
T.Phuta	music composition