Phantasy Star Online Episode I & II, was a port of the Dreamcast (only episode I) with a brand new episode not avaliable in the original Dreamcast version (do not mistake the PSO episode II with the PSO Version 2 avaliable for the Dreamcast).
Phantasy Star Online Episode I & II, was not a simple port of the Dreamcast (only episode I). It included a brand new episode not avaliable in the original Dreamcast version (do not mistake the PSO episode II with the PSO Version 2 avaliable for the Dreamcast).