Pokémon FireRed and LeafGreen

Return to Kanto with Pokémon FireRed and LeafGreen, remakes of the franchise's first games. Relive the classic journey across Kanto with all new surprises, including the brand new Sevii Islands, old favorites from the Johto region, and for the first time in the franchise history, rudimentary wireless play with the brand new wireless adapter. Battle Team Rocket as you fight to become a true Pokémon master in FireRed and LeafGreen, which connects with all the other games found in the Advanced Generation.  From the game's Wikipedia page

Pokémon Red and Blue (Video Game) - TV Tropes

Pokemon FireRed/LeafGreen Homepage

25 Awesome Facts About FireRed And LeafGreen Only True Pokémon Masters Know

Pokémon FireRed Version and Pokémon LeafGreen Version

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Pokémon: 5 Reasons Why FireRed/LeafGreen Are Most Ideal For New & Returning Fans Of The Franchise (& 5 Why Let's Go, Pikachu/

Pokémon Firered & Leafgreen In-Game Tier Discussion

Stream Sevii Islands: Four & Five Islands (Pokémon FireRed / LeafGreen), 8-bit PCE/TG-16 Demix by TriteHexagon

Pokémon FireRed & LeafGreen QR Codes. (USA) : r/3dsqrcodes

Pokémon FireRed & LeafGreen, Vol.3

Pokemon FireRed Review - GameSpot

Pokémon FireRed/LeafGreen (Game) - Giant Bomb

What's the difference between Pokemon fire red and leaf green? - Quora

Pokémon FireRed Version and Pokémon LeafGreen Version