Sonic 3 is a classic platform video game developed by Sega and released in 1994 for the Sega Genesis. It features the iconic character Sonic the Hedgehog as he embarks on a quest to stop the evil Dr. Robotnik from stealing the Chaos Emeralds. Players navigate through various colorful levels, collecting rings and defeating enemies while utilizing Sonic's unique abilities. The game introduced new gameplay mechanics, including the ability to save progress and the addition of Knuckles the Echidna as a playable character. Sonic 3 is celebrated for its engaging level design, memorable music, and cooperative multiplayer mode, making it a beloved title among fans of the franchise.