;)
mindseyemag.com
Sonic & Knuckles + Sonic the Hedgehog 3
The concluding sequel to Sonic the Hedgehog 3, and the only Sega Genesis game to feature lock-on technology (allowing players to play as Knuckles in Sonic the Hedgehog 2 and the ability to combine it with Sonic the Hedgehog 3 into one big adventure).
mindseyemag.com