GameSpot
Reviewed by: Greg Kasavin, [9.1/10]. "You'll find virtually everything there is to like about action gaming in the stunning sequel to Serious Sam." Also includes preview.

Gamers Hell
Reviewed by: Interman, [7/10]. "Fans of the original will definitely like this sequel."

Adrenaline Vault, The
Reviewed by: Bob Mandel, [4/5]. "What truly sets Serious Sam: The Second Encounter apart from its first-person shooter competition is its zany sense of humor." Also includes screenshots.

GameSpy
Reviewed by: Sal Accardo, [82/100]. "The followup to last year's surprise hit bests the original in every way... almost."

GameZone
Reviewed by: Ovaldog, [9/10]. "While this game ranks high on all the technical merits, it rates even higher with me because of its fun factor."