| Developer | Sonic Team |
| Publisher | Sega |
| Genre | Platformer |
| ESRB | Everyone |
| Release Date | October 17, 1994 |
Sonic and Knuckles join forces to defeat rotten Dr. Robotnik's Death Egg invasion! Play Sonic & Knuckles by itself or Lock-on with other Sonic games. This game's revolutionary Lock-on technology adds all new features to your other Sonic games for ultimate replays! Play as Sonic and let loose on Robotnik with amazing new powers. Play as Knuckles and tackle Robotnik and Metal Sonic with bare-fisted attacks, high-speed glides and wall-climbing power! Lock-on with Sonic 3 and transform Floating Island into a huge 34 meg Sonic-epic loaded with new secrets! Play as Sonic, Knuckles, and even Tails - with Game Save! Lock-on with Sonic 2 and play as Knuckles with all his signature moves!
Condition
| Pristine | Cartridge has a few small flaws that are not very distracting. Can have light scuffs or other small detracting marks, but label will be intact. |
| Good | May have light marks and/or scratches on label or cartridge |
| Poor | May have light marks/ 3rd party vendor sticker/ faded or stained label but is intact |
| Cosmetically Flawed | May have distracting marks on Cartridge and/or label. Part or Whole front label may be missing |
Warranty
All UndrLvld used games are cleaned, tested, guaranteed to work and backed by a 30 day warranty. To learn more about our warranty policy, click here