GameSpot - Review by Greg Kasavin, scoring 8.9/10: "It's an unquestionably fun game from an unquestionably talented development team." - http://www.gamespot.com/pc/action/serioussamthefirstencounter/review.html
IGN - Preview and screenshots by Tal Blevins. "So far I've been extremely happy with what I've played." - http://pc.ign.com/articles/135/135156p1.html
The Cincinnati Enquirer - Review by Marc Saltzman, with screen shots. Score: 4 out of 5. - http://www.cincinnati.com/freetime/games/reviews/051601_sam.html
Armchair Empire - Reviewed by Mr. Nash, "After only playing Serious Sam for an hour the thought quickly came to me that the levels in this game are bloody huge." [8/10] - http://www.armchairempire.com/Reviews/PC%20Games/serious_sam.htm