Le Dr Wily et sa clique de robots maléfiques sont de retour dans Mega Man 2 sur Nes. Cette suite conserve le gameplay du jeu d'origine et voit le petit Mega Man parcourir huit niveaux pour affronter ses huit nouveaux adversaires. Comme dans le premier jeu, le héros récupère les pouvoirs de ses ennemis lorsqu'il arrive à les battre.
She gave my mother such a turn, that I have always been convinced I am indebted to Miss Betsey for having been born on a Friday. The word was appropriate to the moment. My mother was so much worse that Peggotty, coming in with the teaboard and candles, and seeing at a glance how ill she was, - as Miss Betsey might have done sooner if there had been light enough, - conveyed her upstairs to her own room with all speed; and immediately dispatched Ham Peggotty, her nephew, who had been for some days past secreted in the house, unknown to my mother, as a special messenger in case of emergency, to fetch the nurse and doctor.