Kamen Riders Game System: Sony Playstation Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Kamen Riders ============ SECRET CHARACTERS: Obtain Digital Card 7 and save the game. Highlight Kamen Rider No.1 at the character selection screen, then hold Up + L1 and press Circle. Obtain Digital Cards 7 and 74 and save the game. Highlight Kamen Rider No.2 at the character selection screen, then hold Up + L1 and press Circle