Silver Sonic (メカソニック Mekasonikku?, lit. "Mecha Sonic"), also referred to as Bionic Sonic in certain western materials, is the robotic version of Sonic the Hedgehog that appeared Sonic the Hedgehog 2 for the Master System and Game Gear. It is the boss of the Scrambled Egg Zone.
This verison of sonic apperaded in
Sonic & Tails Game Gear/ Master System
This is the hardest boss in Sonic and Tails for the GAME GEAR/ MASTER SYSTEM.
If you dont get the 7 emeralds or
you win without any