From December 2007, Sega Japan celebrated the 20th anniversary of the launch of the first Phantasy Star game with a website (in Japanese), events, and related products.
Phantasy Star First Series Complete Album
A 4-CD pack containing music from all 4 games of the original series. It is still available from the Sega Store
Phantasy Star 20th Anniversary Poster
Original artwork containing many familiar faces from the series, from Alis
. Also still available from the Sega Store