Sonic the Hedgehog 2 sur Megadrive propose une nouvelle approche du jeu grâce à l'apparition du désormais célèbre compagnon de Sonic : Tails. Le joueur a le choix d'appréhender le titre de deux manières différentes : faire fi des ennemis et des anneaux et ne compter que sur la vitesse pure pour boucler les onze niveaux ou l'exploration acharnée pour les plus patients. Les deux personnages sont jouables simultanément en mode coopération sur le même écran.
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.