X2 Online Universe
- Contains news, FAQs, guides, scripts, downloads, and forums.
- http://www.x2ol.net/

X2 - The Threat
- Official site. Includes description, news, features, press releases, FAQ, image gallery, and discussion forum. [English/German/French]
- http://www.egosoft.com/games/x2/info_en.php

GameSpy
- Review by Tom Chick. "At long last, an uncompromising and worthy successor to Elite." Score: 4/5
- http://pc.gamespy.com/pc/x2-the-threat/6479p1.html

GamesXtreme
- Review with screen shots and reader ratings. Score: 93%.
- http://www.gamesxtreme.com/review/292.shtml

GameZone
- Preview with screen shots by Michael Lafferty. "X2: The Threat is gearing up to be an immersive and intriguing space simulation game that will not pigeonhole players into a set style of play."
- http://www.gamezone.com/gzreviews/p19207.htm

WorthPlaying
- Preview with screen shots. "As a whole, if the bugs are ironed out, the tutorials are a bit more fleshed out, and the gameplay is tightened up a bit X2 could prove to be more than a match for some of the other space sims flying around right now."
- http://www.worthplaying.com/article.php?sid=14441

Error691.com
- Preview by Darren Astles. Comments on ships, views, gameplay, artificial intelligence, map, and graphics.
- http://error691.com/phpnuke/html/article.php?sid=30