GameSpy - Review - Review, by Benjamin Turner: "In an eggshell, Billy Hatcher and the Giant Egg is worth checking out for platform and Sonic Team fans, but is likely too difficult and glitchy for more casual players." [Score 3 out of 5 Stars] - http://cube.gamespy.com/gamecube/billy-hatcher-and-the-giant-egg/6203p1.html
GameSpy - Preview - Preview, by Benjamin Turner: "Have no doubt: I'm quite looking forward to playing the final version of Billy Hatcher and the Giant Egg." - http://cube.gamespy.com/gamecube/billy-hatcher-and-the-giant-egg/6104p1.html
FiringSquad - Review - Review, by Marcus Yam: "Although there are parallels to Mario Sunshine, Billy Hatcher and the Giant Egg is a highly original game" [Score: 70%] - http://www.firingsquad.com/games/billy_hatcher_review/
The Laser - Review - Review, by Michael Palisano: "The game is solidly constructed, surprisingly challenging and lots of fun." [Grade: B+] - http://www.the-laser.com/billyhatcher.htm
GamingWorld X - Review - Review, by John Luedtke: "The experience of Billy Hatcher can be summed up in one word: underachieving." [Score: 6.0 out of 10] - http://www.gamingworldx.com/gcn/BillyHatcherandtheGiantEgg.shtml
GameSpot - Review - Review, by Ryan Davis: "Save for the peculiar mechanics of the giant eggs, it falls back on standard 3D platforming mechanics more often than not." [Score: 6.7 out of 10] - http://www.gamespot.com/gamecube/action/billyhatcherandgiantegg/review.html
GameZone - Review - Review, by Louis Bedigan: "Billy Hatcher is an addictive platformer for anyone who loves Super Monkey Ball." [Score: 7.8 out of 10] - http://gamecube.gamezone.com/gzreviews/r21911.htm