Kaido Battle 2: Chain Reaction All Record Challenge tracks
At the Record Challenge main menu, hold R1 + R2 and press Down, Up, Down, Up, Left, Right, Left, Right to unlock all Record Challenge tracks.
All normal Record Challenge cars
At the Record Challenge main menu, hold R1 + R2 and press Right, Left, Right, Left, Down, Up, Down, Up to unlock all normal Record Challenge cars.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original