Kamen Rider: Seigi no Keifu Cheats :
Unlockable - Unlock Original Kamen Rider 1
Beat the game in normal mode as all 4 kamen Riders. Select Hard mode, you will be given a choice of using either Old Kamen Rider 1 (darker colors and white belt) or New Kamen Rider 1 (brighter colors and red belt). Whichever choice made does not effect Hongo Takeshi's human form.