Hidden Characters
Obtain Digital Card 7 and save the game. Highlight Kamen Rider No.1 at the character screen, then hold Right + X and press Triangle. Obtain Digital Cards 7 and 74 and save the game. Highlight Kamen Rider No.2 at the character screen, then hold Right + X and press Triangle.

Go to: Kamen Riders Info Page | nGaming Home Page.