Sonic Colors Ultimate Brings in Metal Sonic for Rival Rush - Siliconera

Sega detailed Sonic Colors Ultimate improvements and additions in a new trailer, and Metal Sonic will appear for a Rival Rush mode.

Sonic Colors Ultimate Brings in Metal Sonic for Rival Rush : r/Siliconera

Sonic News, Page 9

Metal Sonic in Sonic Colors Ultimate

Review: Sonic Colors Ultimate is yet a Pretty big Sonic Game - Game News 24

Sonic Colors Ultimate Rival Rush Mode Uses Fan Render for Metal Sonic Icon – SoaH City

🎮 Sonic Colors: Ultimate News

Sonic Boom (Game, TV Show, Comic) – Modern Era – Robert Kellett – Retrospectives of Gaming History

Sonic Colors Ultimate Crossover 2022 by yugioh1985 on DeviantArt

Sonic Colors Ultimate Brings in Metal Sonic for Rival Rush : r/Siliconera

News - July, 2012

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

Sonic Colors: Ultimate review -- Reaching for the stars