The Lost DLC of Sonic 06
With the release of Project 06's Mod Loader 2.0, a Metal Sonic mod was also released, which replaces Sonic in Project 06. Metal Sonic also features his rolling move from SA2.
Metal Sonic by Beatz
https://gamebanana.com/mods/425680
Project 06 Mod Loader 2.0 by Beatz
https://gamebanana.com/tools/10474
Project 06 by ChaosX
• Project '06 - Shadow Release