There are 4 original .hack games.hack//infection - .hack//mutation - .hack//outbreak - .hack//quarantine=== Games ===*".hack", a series of four PlayStation 2 games that follow the story of the .hackers, Kite and BlackRose, and their attempts to find out what caused the sudden coma of Kite's friend, Orca, and BlackRose's brother, Kazu.
La serie comprende: ".hack//INFECTION" (2002), ".hack//MUTATION" (2002), ".hack//OUTBREAK" (2002) e ".hack//QUARANTINE" (2003).