eLook

A list of level passwords.
http://www.elook.org/games/cheats/gba/225.shtml

GameSpot

Includes information, screenshots, news, and links.
http://www.gamespot.com/gba/action/armymenoperationgreen/

GameFAQs

Provides information, help, passwords, and a message board.
http://www.gamefaqs.com/portable/gbadvance/data/12648.html

IGN

Review, by Craig Harris: "This Game Boy Advance game is relatively fun, but some levels drag on way too long...with others that are a snap to complete." [Score: 6.2 out of 10]
http://gameboy.ign.com/articles/355/355285p1.html

GameZone

Review, by Patricia Wiley: "Although this game may be somewhat too challenging it is fun and would make a good addition to your army game collection." [Score: 7 out of 10]
http://gameboy.gamezone.com/gzreviews/r19441_GBA.htm

Gaming Target

Review, by Matt Swider: "Many who have found the series to be boring in the past probably won’t change their mind here." [Score: 6.6 out of 10]
http://www.gamingtarget.com/SectionViewer.aspx?ArticleID=992&SectionID=412