Pokemon Gold Demo Shiny sprites by louiehit123 on DeviantArt

Pokemon Gold 'n' Silver colored Beta Sprites 1-50 by louiehit123 on DeviantArt

Tepig Pignite Emboar GSC Sprites by Axel-Comics on DeviantArt

Dr. Lava on X: Gold & Silver's 1997 demo was the debut of Shiny Pokemon. But when G&S released in 1999, every Pokemon had different Shinies. Here's some examples: demo Shinies (left)

Meowsy: Pokemon R/S/E/FR/LG (Generation 3) Styled by AlexanderSchlicht on DeviantArt

Pokemon Gold Demo Shiny sprites by louiehit123 on DeviantArt

Minior Sprites by ProfessorVermo on DeviantArt

Spaceworld Demo Beta Pokemon Sprites Revamped by aethestode on DeviantArt

Beta sprites GS by Caos-Cepi on DeviantArt

Pokemon Gold Demo Speculation by louiehit123 on DeviantArt

Colored Pokémon sprites from the 1997 Spaceworld Demo of Pokémon Gold : r/ pokemon

Shiny Pokemon Edits Vol. 2 by KlutzyNinjaKitty on DeviantArt

Z-Shadow-0 - Hobbyist, Digital Artist

Pokemon Gold Beta Sprites by Madness-wolf on DeviantArt

Deleted Pokemon & Sprites from Pokemon Gold - The Space World 1997 Demo : r/nintendo

louiehit123 - Hobbyist, Digital Artist