IGN
- Screen shots, review [8/10], and news.
- http://pc.ign.com/objects/015/015454.html

Gaming Age
- Reviewed by Ryan Thompson, grade: B-. "This is a good expansion, but for its time maybe not the best it could have been."
- http://www.gaming-age.com/cgi-bin/reviews/review.pl?sys=pc&game=gcexp

Cheat Code Central
- Strategy guide.
- http://www.cheatcc.com/pc/groundcdc.html

Action Trip
- Reviewed by Dejan Grbavcic, score: 73 out of 100. "There are indeed few novelties. If somebody showed me the thing after a couple of months, I wouldn't be able to tell if it were the original game or the add-on."
- http://www.actiontrip.com/reviews/groundcontroldarkconspiracy.phtml

GameSpot
- Review by Greg Kasavin, [7.9/10]. "Great additional value if you haven't yet decided to try out what was one of the most intense strategy games released last year."
- http://www.gamespot.com/pc/strategy/groundcontroldarkconspiracy/review.html