Site: Game Information;

- Developer/Publisher:
Atlus Japan, Atlus USA

- Platforms:
Playstation 2

- Languages:
Japanese, English, and Korean(subtitles)

- Release date for DDS1:
Japan: July 15, 2004
USA: April 5, 2005
Korea: September 30, 2005
Europe: N/A

- Release date for DDS2:
Japan: January 27, 2005
USA: October 4, 2005
Korea: September 30, 2005
Europe: N/A

- Japanese release:
For those who have pre-ordered the first game will receive a 20-page booklet of "The Making of DDS". The booklet contains profiles on the characters and their demon forms, information on Iwase who did the commercial as Sera, storyboards, etc. Other stores offered a bonus gift such as Sera's premium soundtrack will contained a few songs from the game.

For those who have pre-ordered the second game will receive the special DDS2 DVD containing an image soundtrack, promotional videos, etc. Other stores gave out bonuses such as phone cards, Jack Frost figures, and other neat things.

- N.American release:
For those who have pre-ordered the first game will receive the box edition which will contain the soundtrack and a controller stickers featuring the characters from the game.

For those who have pre-ordered the second game will receive the soundtrack which was never released in Japan. This is a very surprising gift and a must have for fans of the game!

- Korean release:
The Korean release is probably set with the best package. No matter what you order, you're going to get both DDS1&2 both in the package. There's the regular edition and the special edition. The regular edition is just both games while the special edition comes in a special collection box with both games, an illustrated book, a 63-page guide book, poster, DDS soundtrack(33 tracks from part 1), and the special DVD(same as the Japanese version).
     NAVIGATION
   main

   story
   main cast
    - embryon
   supporting cast
    - leaders
    - karma
    - lokapala
    - real
    - others
   relations
   nirvana
   angel & devil
   schroedinger
   seraph
   betrayal
   timeline
   the end
   dictionary
   design
   quotes
   changes

   jp/eng vas
   kaneko kazuma
   other staff

   Kouli's DDS1 FAQ
   Kain's DDS1 FAQ
   JJim's DDS1 FAQ
   JJim's DDS2 FAQ

   usage policy
   official
   fmv
   in-game
   merchandise
   icons
   wallpaper
   fan art

   track list
    - pray
    - prayer
    - danger
    - alive
    - time capsule

   game info
   faq
   credits
   disclaimer
   linkage