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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.

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Latest News

2009 beta

How was Christmas and the New Year? Was it fine? I’ve got something new for the New Year, too. Download now This release is more of an incremental thing. It fixes a few bugs that people have encountered, but it also adds the updated Merson Cave map I showed...

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rijonAdventures X [Unofficial release]

EDIT: The creator of this unofficial release has edited their post to add “This is an awful and unbalanced version of the hack. I’m not even sure if it still works. This isn’t fun unless you’re a straight up masochist.” So – play at your own risk! A fan...

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Merson Cave VERSION UP.

Drag the slider to compare! Old New Yes, I was fully aware that the old map was ugly and outdated compared to many of the new areas in the game. It’s good to refresh something every once in a while. (Especially since the map hasn’t been touched for years.)...

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