All Kamen Rider: Rider Generation

All Kamen Rider: Rider Generation is a 2D Beat 'Em Up sidescoller published by Bandai Namco for the Nintendo DS. Kamen Rider OOO's fight for justice continues. Suddenly, before him appears DenLiner, the train of time. From it, appears Kamen Rider Double and Den-O. A mysterious time criminal's scheme is causing past evil organization monsters to gather. To defeat them all, Double and Den-O are using DenLiner to gather Riders from various eras. The attacking monsters from different eras. The gathering Kamen Riders, one after another.