User blog comment:Nathbud789/Hardest Sonic Boss/@comment-1510274-20100423235643

My Top 5 hardest:

Silver Sonic from Sonic 2

Final Zone from Sonic 1

Red Eye sub-boss of Death Egg act 1 from Sonic 3 It just wont die! (unless I go Hyper Sonic)

F-Zone (with Sonic) from Sonic Rush

Shadow vs. Biolizard from SA 2