RPGFan
- Review by user "Blademaster Dezo." [100%] "If you're expecting a quality single player experience akin to Phantasy Star 4, then skip this title."
- http://www.rpgfan.com/reviews/phantasystaronline/Phantasy_Star_Online-3.html

Game Revolution
- Reviewed by: Johnny Liu, [C+]. "What it all boils down to is an imbalance of the cost-to-value ratio."
- http://www.gamerevolution.com/oldsite/games/dreamcast/rpg/phantasy_star_online_v2.htm

GameSpot
- Reviewed by: Ricardo Torres, [8/10]. "Rather than a true sequel, the game is more of an expansion of the original game that is ultimately a more polished product." Also includes screenshots, media, hints, and news.
- http://www.gamespot.com/dreamcast/rpg/phantasystaronlineversion2/

PlanetDreamcast
- Reviewed by: Retrovertigo, [8.5/10]. "The official fix for PSO addicts."
- http://www.planetdreamcast.com/games/reviews/psov2/