Online Entertainment R&DOnline Entertainment R&D is a Japan development division at SEGA and a sister division of SEGA Networks focused on the development of Free-to-Play titles on a wide variety of platforms including PC, Mobile and Consoles. Consisting of former Sonic Team members involved with Phantasy Star Universe, Online Entertainment R&D has gone on to develop multiple games such as Phantasy Star Online 2, Ryu ga Gotoku Online, Chain Chronicle V and Samurai & Dragons.