Many console collections still include the game.
If you want to play the game legally and safely, here are your best options:
Released in 1994, Sonic the Hedgehog 3 and Sonic & Knuckles were originally intended to be a single, massive game. Due to time constraints and cartridge costs, Sega split them into two parts. Thanks to the innovative "Lock-On Technology" of the Sonic & Knuckles cartridge, players could plug the Sonic 3 cartridge into the top of it to unlock the full experience: . This combined version features:
