• Welcome to our world.

Crafting new authentic content with unexpected twists.

RainbowDevs are collective of passionate Gameboy developers with decades of experience.

We are coders, artists, musicians, designers, and every position in-between — crafting new stories and worlds for everyone explore while pushing the boundaries of classic, retro hardware. Everything we do runs on original, classic hardware, as our passion for the original games and worlds runs deep.

Our work

Pokémon Prism

Explore the brand new region of Naljo in an epic story across multiple regions!

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Pokémon Pinball: Generations

Experience the expansion we always wanted – new Pokémon, expanded fields, and more!

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Pokémon Brown

The game that started it all. Enjoy the original Rijon experience!

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Pokémon Anniversary Crystal

An ambitious retelling of Pokémon Crystal with expanded mechanics, new AI and many unexpected twists!

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Pokémon Anniversary Red

Really catch them all in this new retelling of Pokémon Red, including an expanded Pokédex, new battles and new areas to explore!

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Pokémon rijonAdventures

20 years after the events of Pokémon Brown, much has changed in the land of Rijon…

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Latest News

PSA: Pokémon Prism on cartridge

Are you thinking of purchasing Pokémon Prism on a cartridge? Please read this advice while considering! RainbowDevs does not and will never sell Prism on a Game Boy cartridge/Game Pak, and companies that do are doing so without our consent or endorsement. Prism is available for free to download...

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Happy 20th Birthday Pokémon Brown!

A few days ago, Pokémon Brown turned 20 years old. To celebrate, here is, for the first time, some video from the upcoming update! Here you’ll see all-new features, such as an EXP bar, gender indicators, refreshed battle UI, new sprites and even more. Stay tuned for more updates!

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An older version of Pokémon Brown's cover.

Pokémon Brown turns 20

Today, 20 years ago, I was in high school and released the very first version of Pokémon Brown. The first version was a mess in retrospect, built with a small map editor, “Tile Layer Pro” and a hex editor. but it broke grounds being the first finished “New Region”...

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