User blog:Moon the Hedgehog/More sprites!, Sonic Wiki Zone

Due to good reviews of the Sonic CD sprites, I have now included the sprites from Sonic 2 BETA.

StarDrop Announces 'Sonic and the Moon Facility' Fan Game Sequel - Fandom - Sonic Stadium

Sonic 1 but different sprites [Sonic The Hedgehog (1991)] [Mods]

StarDrop Announces 'Sonic and the Moon Facility' Fan Game Sequel - Fandom - Sonic Stadium

Sonic the Hedgehog - Sonic the Hedgehog / Characters - TV Tropes

User blog:Moon the Hedgehog/More sprites!, Sonic Wiki Zone

Genesis / 32X / SCD - Sonic the Hedgehog 3 - Badniks (Marble Garden Zone) - The Spriters Resource

Sonic Advance Trilogy (Video Game) - TV Tropes

Moon, Sonic Wiki Zone

Sonic the Hedgehog 2 (Video Game) - TV Tropes

Level design in Sonic games

User blog:Moon the Hedgehog/Sonic the Hedgehog Sprites, Sonic Wiki Zone

Sonic Mania/Unused Graphics - The Cutting Room Floor

Sonic Forces: Instruction Manual - Games - Sonic Stadium

Sonic - Super Mario Wiki, the Mario encyclopedia