ファンタシースターオンライン (Phantasy Star Online)
The series received several expansions after it's first release on the Sega Dreamcast, starting with the updated edition Phantasy Star Online ver.2, followed by ports to both the Gamecube and Xbox as Phantasy Star Online Episode I & II. The Gamecube also received a spin-off of the series, Phantasy Star Online Episode III: C.A.R.D. Revolution, with card based gameplay instead of the usual beat-em-up style. Finally, the series returned to form on the PC with release of Phantasy Star Online: Blue Burst, featuring Episode IV.
* Added in Episode II.