Steam Workshop::Sonic 3 & Knuckles - Mecha Sonic MK2

Harder Mecha Sonic + Fire Breath ⭐️ Sonic 3 A.I.R. mods ~ Gameplay

Mecha Sonic Customizer [Sonic 3 A.I.R.] [Mods]

Mecha Sonic MK. II -Sonic 3 and Knuckles (by me) by cvgwjames on DeviantArt

Steam Workshop::Sonic 3 & Knuckles - Mecha Sonic MK2

Steam Workshop::Sonic 3 and Knuckles but it has the Movie trailer bit as the intro

Steam Workshop::Sonic 3 & Knuckles - Chill Edition

Eggman's Robots over Eggman, Eggrobo and More [Sonic 3 A.I.R.] [Mods]

Steam Workshop::Sega Sonic Music

If Sonic Battle got a sequel, who would you like to see added to the roster? : r/SonicTheHedgehog