Get one or two hundred of them, you get an extra life. To help you in your quest you can gather Rings. Sonic the Hedgehog is a 1991 classic video game for the 16-bit Sega video console, Megadrive/Genesis, were you fight in pure platforming plus speedrunning style against the evil madman Ivo Robotnik (named Eggman in Japan), who has abducted each small animal in the world and turned them into robots. What else could be said about a game so classic that even started a competition between two of the biggest companies in video game history ever (and ended it as well!) regarding their mascot characters?