Concept art i made for Darkspine Sonic.(items and stats in the comments) : r/SonicForces

Steam Workshop::My Ultimate Sonic Collection

Steam Workshop::Ctrls SFM Collection: #1 [Sonic the Hedgehog]

What is Your Favorite Power Up Form for Sonic. Based More on

Sonic Frontiers (Video Game) - TV Tropes

What the Sonic Frontiers reveal was like : r/gaming

Sonic Forces (PC) Mod Part 55_ Darkspine Sonic vs Metal Sonic

Darkspine Sonic/Gallery, Sonic Wiki Zone

Tracy Yardley's artwork of Darkspine Sonic! : r/SonicTheHedgehog

Sonic Forces ✪ Darkspine Sonic Mod

Character Chronicle: Metal Sonic – Source Gaming

Steam Workshop::Sonic Forces: Tails and Super Sonic V4 and V3

An artwork of Darkspine Sonic that I made back in 2020! : r

What is Sonic's fastest form? - Quora

Sonic Forces: Speed Battle