Harmony of Dissonance

eLook
A summary of cheats.
http://www.elook.org/games/cheats/gba/246.shtml

eLook
Provides a list of cheats.
http://www.elook.org/games/cheats/gba/245.shtml

Gamer's Hell
Reviewed by Andreas Misund. Score: 8.4 out of 10. <small>(December 20, 2002)</small>
http://www.gamershell.com/gba/castlevania_harmony_of_dissonance/review.html

GameSpot
Reviewed by Greg Kasavin. Includes screen shots, cheats, gameplay movies, and reader ratings. Score: 8.2 out of 10. <small>(September 18, 2002)</small>
http://www.gamespot.com/gba/adventure/castlevaniaharmonyofd/

GameSpy
Reviewed by Benjamin Turner, including screen shots. Score: 87 out of 100. <small>(September 18, 2002)</small>
http://archive.gamespy.com/reviews/september02/castlevaniahodgba/