GameZone.com - Review (PC)
- Review, by The Badger: "While I would say this game is close to a 10 for the niche it was created for, long-time simmers will probably spend a lot of time comparing it to more intense sim titles." [Score: 8.0 out of 10]
- http://pc.gamezone.com/gzreviews/r18380.htm

GameZone.com - Review (Dinosaur Digs)
- Review, by Anise Hollingshead: "All in all, a decent expansion pack that adds new fun to the original, but is rather thin of content." [Score: 7.3 out of 10]
- http://pc.gamezone.com/gzreviews/r19853.htm

Gamers Hell - Review (Dinosaur Digs)
- Review, by James Kinnear: "A good expansion pack." [Score: 7.0 out of 10]
- http://www.gamershell.com/pc/zoo_tycoon_dinosaur_digs/review.html

GameZone.com - Review (Marine Mania)
- Review, by Tha Wiz: "There's not much to not like about it, and the expansion sets just add to the overall enjoyment and selection of options for the original." [Score: 9.0 out of 10]
- http://pc.gamezone.com/gzreviews/r20852.htm

GameSpy.com - Review (Marine Mania)
- Review, by Carla Harker: "If you've enjoyed Zoo Tycoon so far, you should find plenty more to like in Marine Mania." [Score: 68 out of 100]
- http://pc.gamespy.com/pc/zoo-tycoon-marine-mania/568609p1.html

GameSpy.com - Review (PC)
- Review, by Scott Osborne: "Has its amusing moments, but the game lacks spirit and can feel more like a boring chore than a game." [Score: 67 out of 100]
- http://archive.gamespy.com/reviews/october01/zootycoon/

GameSpy.com - Review (Dinosaur Digs)
- Review, by Carla Harker: "Just as dull and almost as boring as Zoo Tycoon." [Score: 69 out of 100]
- http://archive.gamespy.com/reviews/june02/dinodigs/

GameSpot - Review (PC)
- Review, by Andrew Seyoon Park: "It's true that Zoo Tycoon doesn't offer the same kind of enjoyment that RollerCoaster Tycoon does." [Score: 7.1 out of 10]
- http://www.gamespot.com/pc/strategy/zootycoon/review.html

GameOver - Review (PC)
- Review, by Westlake: "It's family friendly (pretty much the only way animals escape is if you let them), it's fun to watch, and it's even educational." [Score: 78%]
- http://www.game-over.net/reviews.php?id=761&page=reviews

GameSpot - Review (Marine Mania)
- Review, by Andrew Park: "A good choice for fans of Zoo Tycoon, especially for those who missed out on Dinosaur Digs the first time, or for parents who want to spend quality time with their small child or children." [Score: 6.2 out of 10]
- http://www.gamespot.com/pc/strategy/zootycoonmarinemania/review.html

ActionTrip - Review (PC)
- Review, by Dusan Katilovic: "The best things in the game are the unforeseen mishaps, like monkeys breaking loose, or scared visitors running away from a raging lion, which is still far from enough to leave a too good overall impression." [Score:
- http://www.actiontrip.com/reviews/zootycoon.phtml

IGN - Review (PC)
- Review, by Dan Adams: "...You probably won't get too much out of this, although if you do, there'll be plenty of downloadable extras after the game's release." [Score: 6.9 out of 10]
- http://pc.ign.com/articles/166/166183p1.html