Something's wrong with my copy of Castlevania

I've stumbled across this secret level when I was preforming the magnet beam glitch in Ice Man's stage. I'm certain that this wasn't in the original release of Rockman (1987). Help???

Maverick Without Reason

Biblically Accurate FNaS Amy

Dude, My copy of Shantae is actin' strange

AU Koopa Troopa designs! Read the article if you want!

XDiVE Bass (NES Style)

MM8 Style but NES

Not to mention this is how i Imagine & draw Sans.

Only those who were back in the 2000's know this classic creepypasta.