Plot: .hack is a series of single-player action role-playing video games developed for the PlayStation 2 console by CyberConnect2 and published by Bandai. Wikipedia
Plot: .hack//Link is a single-player action role-playing game developed by CyberConnect2 for the PlayStation Portable. The game was released exclusively in Japan on March 4, 2010. Wikipedia
Plot: Digimon World 4, known as Digimon World X in Japan, is an action role-playing video game for the PlayStation 2, GameCube, and Xbox developed by BEC and published by Bandai as part of their Digimon franchise. Wikipedia
Plot: Blood Will Tell: Tezuka Osamu's Dororo, released as Dororo in Japan, is a PlayStation 2 game released by Sega. It is based on the Japanese manga series Dororo, which was created by Osamu Tezuka. Wikipedia