GameSpot
- "Arguably the most original and inventive rhythm game since the advent of "Dance Dance Revolution" or the original "Parappa the Rapper," and it's easily one of the best rhythm games for the PlayStation 2." Review by Ryan Dav
- http://www.gamespot.com/ps2/puzzle/gitarooman/review.html

The Electric Playground
- Reviewed by: Bonnie, [7/10]. Also includes screenshots.
- http://www.elecplay.com/reviews_article.php?article=8728

PlanetPS2
- Reviewed by: Scott Osborne, [85%]. Also includes screen shots.
- http://www.planetps2.com/features/reviews/2002/gitarooman/

ign.com
- "It has a huge variety of rocking music, fascinating graphics, and an original gameplay system that manages to hold up surprisingly well in comparison to the monotonous rhythm competition." Review by David Smith with overall score [8.5/10].
- http://ps2.ign.com/articles/354/354413p1.html

GameZone
- "Quite simply, Gitaroo-Man lays the funk down on all competing musical games currently on the market with enough left over style to put a particular K9 back in the doghouse." Reviewed by Carlos McElfish with scores.
- http://ps2.gamezone.com/gzreviews/r19223.htm

GamePro
- "Transcending PaRappa, this Japanese import combines innovative control with a hot soundtrack for a frustrating yet addictive experience." Review by Miss Spell with scores.
- http://www.gamepro.com/sony/ps2/games/reviews/20720.shtml