Game Revolution (GameCube)
- Review, by Johnny Liu: "I enjoyed this game on the Dreamcast and wanted this port to bring it back in full glory, but it didn't happen." [Grade: C-]
- http://www.gamerevolution.com/oldsite/games/gamecube/action/sonic_adventure_dx.htm

GameZone (GameCube)
- Review, by Michael Knutson: "Get this game if you are a true Sonic fan, or even a casual one." [Score: 8.3 out of 10]
- http://gamecube.gamezone.com/gzreviews/r21523.htm

GameSpot (GameCube)
- Contains information, screenshots, cheats, links, movies, a preview, and a review.
- http://www.gamespot.com/gamecube/action/sonicadventuredx/

EuroGamer (GameCube)
- Review, by Tom Bramwell: "...we're left with a pretty basic port of the Dreamcast game." [Score: 5 out of 10]
- http://www.eurogamer.net/article.php?article_id=52455

Gaming Age (GameCube)
- Review, by Ernie Halal: "It just doesn't hold up well compared to other games of its kind and if you already played it on the Dreamcast, you definitely aren't missing anything." [Grade: C]
- http://www.gaming-age.com/cgi-bin/reviews/review.pl?sys=gamecube&game=sonicdx

GamePro (GameCube)
- Review, by Tokyo Drifter: "Sonic Adventure DX is a deeper, more interesting game than its sequel, but the camera and collision problems hurt the overall experience."
- http://www.gamepro.com/nintendo/gamecube/games/reviews/29815.shtml

IGN (GameCube)
- Review, by Matt Casamassina: "A very sloppy port of a game that has long been undeserving of its high praise." [Score: 5 out of 10]
- http://cube.ign.com/articles/425/425319p1.html

GameSpy (GameCube)
- Review, by Benjamin Turner: "The additions are nice, yet it's obvious that Sega didn't even try addressing the well-known shortcomings of the Dreamcast game." [Score: 73 out of 100]
- http://archive.gamespy.com/reviews/june03/sonicadventuredxgcn/