Nintendo Files DMCA Takedowns Against 401 GitHub Repositories Hosting Switch Emulators

Nintendo has escalated its legal fight against Nintendo Switch emulation, with the company's lawyers issuing DMCA takedown notices that led to the removal of 401 GitHub repositories, most of them tied to forks of the open-source Suyu emulator. Independent reports place the wave of removals on August 23, 2026.

According to the notices reviewed by outlets including eTeknix, XDA Developers and happygamer, GitHub complied with Nintendo's requests after the Japanese publisher argued that the projects host, link to, or provide access to software that illegally bypasses its encryption.

Of the 401 repositories taken down, as many as 311 were linked to Suyu, a Switch emulator forked from the now-defunct Yuzu project, which itself shut down in 2024 after Tropic Haze settled a $2.4 million lawsuit with Nintendo. Other targets include Skyline, an Android-focused Switch emulator that had originally gone dormant in 2023 but continued through community forks, alongside additional Yuzu-derived projects.

In its standard notice language, Nintendo argues that the emulators "necessarily use unauthorized copies of these cryptographic keys to decrypt unauthorized copies of Nintendo Switch games, or ROMs, at or immediately before runtime without Nintendo's authorization." GitHub's takedown pages show the platform disabled access on the grounds that the repositories "directly shared, indirectly linked to, or provided other ways to access emulation software for Nintendo Switch."

The campaign extends Nintendo's broader pattern of pressuring emulator projects that gain traction on the open-source platform. Yuzu and Citra shut down in 2024, and Ryujinx followed earlier in 2026, while Skyline's original maintainers formally ended development in 2023. Despite those shutdowns, forks and unofficial mirrors have repeatedly reappeared on GitHub, prompting Nintendo's legal team to continue filing DMCA notices at scale.

For users, the practical effect is the same one that followed the earlier emulator crackdowns: the affected GitHub repositories return a 451 "unavailable for legal reasons" response, while forks, mirrors and Discord-hosted builds continue to circulate outside GitHub's notice-and-takedown system. Nintendo has not announced any new legal action outside the DMCA process, and the platform has not commented beyond its standard takedown acknowledgments.

The wave of takedowns comes during a relatively quiet stretch of the Switch emulation scene, but it underlines that Nintendo's legal team is still actively policing open-source projects that distribute decryption-capable Switch emulators, regardless of whether they host game files or merely link to code repositories where those emulators live.