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Overview
Sonic & Knuckles features "lock-on technology" that allows players to open the hatch on the cartridge and insert a second cartridge. When Sonic 2 is inserted, Knuckles the Echidna in Sonic the Hedgehog 2 is unlocked, wherein the player can play through Sonic 2 as Knuckles with all of his abilities.
Alternate Names
- Knuckles the Echidna in Sonic The Hedgehog 2
- Sonic & Knuckles + Sonic 2
- Knuckles in Sonic 2
- Sonic The Hedgehog 2 & Knuckles
- Sonic & Knuckles + Sonic The Hedgehog 2
- Sonic and Knuckles & Sonic 2
- Sonic 2 & Knuckles
Cooperative
No
ESRB
Not Rated