Metal Sonic a rival in Sonic Generations - Gematsu

Metal Sonic will return to the Sonic franchise as a rival character in this fall’s Sonic Generations. Revealed today, Metal Sonic sticks to his classic Sonic CD design.

Sonic Colors: Ultimate announced for PS4, Xbox One, Switch, and PC - Gematsu

Music of Sonic the Hedgehog - Wikipedia

The Ultimate Sonic Colors Ultimate Comparison

Sonic Generations: Metal Shadow *Mod* (*174 Sub Special*)

Sonic The Hedgehog - A Little Ball of Energy in an Extremely Handsome Package

Sonic Colors: Ultimate 'Planet Wisp: Act 4' gameplay, screenshots - Gematsu

Sonic The Hedgehog - A Little Ball of Energy in an Extremely Handsome Package

Steam Workshop::Metal Sonic

Secret Freedom Fighters, Sonic Wiki Zone

Silver a rival in Sonic Generations - Gematsu

Silver a rival in Sonic Generations - Gematsu

Sonic Colors - Wikipedia

Metal Sonic (Sonic Generations), Sonic Wiki Zone