Sonic & Knuckles [FREE]

Inserting almost any other Genesis cartridge (including the original Sonic 1 ) grants access to thousands of unique "Blue Sphere" special stages. Gameplay and Story

Combining the two games creates the definitive experience, allowing players to play through all 14 zones as Sonic, Tails, or Knuckles, with the ability to save progress. Sonic & Knuckles

The game picks up immediately after Sonic 3 . Sonic (or Knuckles) continues the quest to stop Dr. Robotnik from relaunching the Death Egg. Sonic & Knuckles - Sega-16 Inserting almost any other Genesis cartridge (including the