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Update #2 []: The mysterious developer behind the Breath of the Wild 3DS port has broken their silence and refuted claims that it was vibe-coded.
In a post on Reddit (thanks, @nintygametube), the developer said:
"Thought id address this, would be happy to provide the new build to validate credentials. I'm the creator of this project, glad to see the people who have been enjoying it, poking fun at the low poly models, and having a good time hanging out in (what little there is) of the great plateau.
not at all happy with how some of the community addressed this though: PabloMK7, Even if someone were doing something that didn't align with my ethos (in this case assumed 'vibe coding'), if i were someone savvy with the capability that knows how to navigate code / dump and extract with a large platform, I wouldn't do them the courtesy of revealing what is possibly their personal name in filepaths etc :/ not cool man.
Like many other software engineers, I use codex to help find relevant resources more efficiently and to look over my code to make sure nothing breaks, (IE tried to figure out how the physics gun from half life 2 worked to apply to Magnesis, would be lightweight for a 3ds engine). An awful lot of personal time, effort and labour of love was put into this rough tech demo, it was not vibe coded.
I work 2 jobs, and am not in the privileged position to create a polished hobbyist project for the 3ds from scratch, I'm afraid. This build was leaked by one of my mates without my permission, so all the flak I'm getting for this hasn't been ideal. its not polished, its not perfect, but it also wasnt meant to be seen by anyone. I was making it as a gift, and its been a hobbyist project ive been tweaking and working on over the years, using new tools and software along the way.
I've got a new version of the game that fixes a lot of the issues, runs at 30fps, that i would be happy to share with the community. have lost passion for the project after all the reception, though, and being assumed to be a 'pure vibe coder' over finding instances of Codex and having it amend and label my code, i think was a pretty unthoughtful way of deflecting positive attention from the project and has been defeating. have no hate for anyone, im sure there were no ill intentions, hope everyones enjoyed this rough shaggy project, it was meant to be something light hearted and meant to be a bit of fun."
Update #1 []:
As you might imagine, people have been digging into this mysterious project, and Pablomf6 thinks it's almost certainly AI-coded.
"First of all, the project origin. It seems to have been created using homebrew tools, including devkitARM + citro3D + citro2D. There are even references to the toolchain in the code.
In fact, we can see from that reference that this project was compiled against newlib 4.6.0, which was released January 23th 2026, and adopted by devkitPro in February 2026.
This conflicts with the author's claim that this build was sitting in a hard drive of a friend for years. Unless they had a time machine it is just impossible.
However, the date on the newlib version doesn't make sense: December 5th 2014. Back then, newlib was still in 2.0.0-ish.
Currently distributed newlib 4.6.0 builds by devkitpro shows the proper date. Honestly, I'm not sure what to think about this, but I'd trust the 4.6.0 version more than the date.
This raises the question on whether this demo was vibe coded, and looking at the strings, sadly it looks like it... There are em-dashes used as log output strings, something that AI agents likes to do.
I think this lines up with why the author lied and claimed that the build came from the hard drive of a friend and that it was made years ago, to try to hide the fact that the build was vibe coded."
Original Story []:
A fan-made demake of The Legend of Zelda: Breath of the Wild has appeared out of nowhere online, predictably causing quite a kerfuffle.
As spotted by @nintygametube on social media, the game currently only works on 3DS emulators and not actual hardware.
According to Standard-Brick-2776 on Reddit, the original creator is unknown:
"Someone I met on a server had a Breath of the Wild homebrew build for the 3DS. It's unknown who the developer is of this ambitious port. They had it on a hard drive for several years. Neither does it work on real hardware, only on an emulator.
Maybe with the help of 3DS homebrew developers, this build can be made compatible with real hardware (probably only the "New" models, whose logo is present on the Startscreen of the game).
It might include big pieces of the game, as the opening cutscene and dialogue is present, probably ripped from the original game, including sound effects and (ambient) music. I have not playtested this fully to see how far this game got into development!"
As you can see from the footage, it's pretty rough, so anyone reading about this mysterious project should temper their expectations – this isn't anywhere close to being a 1:1 recreation of the original Switch game on 3DS.
Even so, it's impressive that it's running at all, even if it's under emulation and not on real hardware.
Zelda has seen quite a few community-made projects lately, such as dual-screen 3DS ports of Link to the Past and Minish Cap (both AI-assisted) and a two-player mode for the 1986 original.