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.

What are all the levels in Sonic 2? - Quora

Retrospective: MegaMan X – Part 2

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

Lexaloffle Superblog

Zero VS Shadow The Hedgehog (Mega Man XDiVE VS Archie Sonic)

Sonic the Hedgehog 2: Special Edition (Web Video) - TV Tropes

Sonic Iceberg : r/creepygaming

Steam Workshop::Everything on the Workshop 3

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