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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!
Pokémon Pinball: Generations
Experience the expansion we always wanted – new Pokémon, expanded fields, and more!
Pokémon Anniversary Crystal
An ambitious retelling of Pokémon Crystal with expanded mechanics, new AI and many unexpected twists!
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!
Pokémon rijonAdventures
20 years after the events of Pokémon Brown, much has changed in the land of Rijon…
Latest News
Pokémon Brown testing is going quite swell…
- April 25, 2024
Pokémon Brown advanced testing is well underway! This game is 20 years old and is still an old-school binary hack, so there are a lot of weird quirks we are discovering (like this funny sprite glitch!). We don’t have an ETA as yet, but it is soon™!
PSA: Pokémon Prism on cartridge
- April 2, 2024
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...
Happy 20th Birthday Pokémon Brown!
- January 23, 2024
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!