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I just realized, every version is Red Version or Blue Version : r

Red Pokemon Masters Wiki - GamePress

Pokemon Red, Blue, and Yellow versions re-releasing on Nintendo 3DS

Pokémon Red, Blue, Green, and Yellow Version Exclusives

Pokémon Red (1999/2000) (NES) - Bootleg

Nendoroid Red

Pokémon Red and Blue — StrategyWiki

Pokémon Red & Blue Get Stunning Remake Featuring Original Manga Art

Want a Pokémon Red and Blue movie? Watch the Pokémon Origins anime

Pokémon Red & Blue – A Look Back At The 20-Year Journey To Catch 'Em All - Game Informer