Doom II for PC at GameSpot - Reviewed by Peter Scisco, [8.5/10]. "Bigger, badder, and bloodier than the original, this sequel extends the carnage started in Doom." - http://www.gamespot.com/pc/action/doom2/review.html
GameSpy Review - Review by Avi Fryman of the Gameboy Advance port. "DOOM II is an absolute must-have game." - http://archive.gamespy.com/reviews/october02/doom2gba/
Doom II for Game Boy Advance at GameSpot - Review by Frank Provo, [8.1/10]. "There are a handful of other first-person shooters on the Game Boy Advance, ... but none are as vicarious or as stimulating as Doom II." - http://www.gamespot.com/gba/action/doom2/review.html