Gamers Hell
- Reviewed by Andreas Misund Berntsen, [7.9/10]. "In every sense of the word a solid game."
- http://www.gamershell.com/pc/impossible_creatures/review.html

Gamer's Hell
- Preview by Ali A. "The well-balanced gameplay, the great graphics and the whole idea of making units to suite your needs is what the whole game is about, and it is done well."
- http://www.gamershell.com/articles/493.html

Game Industry News
- Reviewed by John Breeden, score: 4-1/2 out of 5.
- http://www.gameindustry.com/review/item.asp?id=171

IGN
- Preview includes screenshots and an in-game movie. "With 40-50 animals to choose from, and around 31,000 combinations, you'll have your wicked hands filled making the most unearthly creations imaginable."
- http://pc.ign.com/articles/134/134840p1.html

GameSpot
- Reviewed by Greg Kasavin, [7.9/10]. "Impossible Creatures is certainly enjoyable and interesting, and it's worthwhile for the campaign alone."
- http://www.gamespot.com/pc/strategy/impossiblecreatures/review.html

GameZone
- Reviewed by Tha Wiz, [8.5/10]. "A surprisingly solid RTS game which shows off what it can do against the Warcrafts or Age of Empires titles out there."
- http://www.gamezone.com/gzreviews/r15439.htm

GameSpy.com
- Reviewed by Scott Osborne, [72/100]. "After Homeworld's greatness, Impossible Creatures can't help but feel like something of a letdown."
- http://archive.gamespy.com/reviews/january03/impossiblecreaturespc/

Cincinnati.com
- Reviewed by Marc Saltzman, [3.5/5]. "The "Island of Dr. Moreau" concept is imaginative, but its execution--especially when it comes to combat--is not."
- http://www.cincinnati.com/freetime/games/reviews/012803_impossiblecreatures.html

IGN: Sigma Interview
- Interview with Alex Garden, CEO of Relic Entertainment.
- http://pc.ign.com/articles/094/094549p1.html

StrategyPlanet
- Preview by Dragon. "Relic describes it as offering short, fast-paced games that can be completed in under an hour."
- http://www.strategyplanet.com/features/articles/fanstock2001/index2.shtml

Age of Kings Heaven Preview
- Previewed by Angel Washizu. "The models looked fantastic and I only saw a few really rare bugged models, and even they looked pretty cool, if not, weird (and when has weird not been cool?)."
- http://aok.heavengames.com/thegame/fanstock2001/index2.shtml

Gamespot Preview
- "With Sigma, we're looking for an opportunity to create technology that gives players the freedom to create a game that is uniquely tailored to their style of play."
- http://gamespot.com/gamespot/features/pc/hitech/p5_02.html