The Sonic 3 cartridge can be attached to an adapter on the Sonic & Knuckles cartridge, creating a combined game, Sonic 3 & Knuckles. Sonic 3 was developed simultaneously with Sonic & Knuckles they were planned as a single game until time constraints and cartridge costs forced the developers to split it.

It was initially developed as an isometric game similar to Sonic 3D Blast (1996), but became a conventional 2D platform game due to time constraints. Sonic 3 introduces Knuckles the Echidna, the island guardian, who lays traps for Sonic and Tails.ĭevelopment began in January 1993 by Sega Technical Institute (STI) in California, shortly after the release of Sonic the Hedgehog 2. They control Sonic and Tails, who attempt to retrieve the Chaos Emeralds to stop the evil Doctor Robotnik from relaunching his space station, the Death Egg, after it crash-lands on a mysterious floating island.

Like previous Sonic games, players traverse side-scrolling levels at high speeds while collecting rings and defeating enemies. Sonic the Hedgehog 3 is a 1994 platform game developed and published by Sega.

Sonic 3 remastered