Hackers Claim They’ve Breached Nintendo, Leak Alleged Dev Assets Online

Nintendo’s internal data may now be in the wild after a notorious hacking group claimed responsibility for a major breach. Screenshots circulating online appear to show a repository of sensitive files, including things like developer assets and internal manuals, reportedly stolen from the Japanese gaming giant.

The hackers behind last month’s Red Hat attack are back in the headlines. This latest cyberstrike has gaming leaders and fans on high alert, with some wondering just how deep the breach could run, and what might leak next.

Leaked Screenshots Hint at Extensive Data Haul

The report first surfaced when @H4ckmanac, an X (formerly Twitter) account known for tracking major cyber attacks, posted a screenshot allegedly shared by the hacking group. The image reveals what looks like a list of internal Nintendo folders, manuals, admin documentation, dev assets, and more.

🚨Cyber Alert ‼️

🇯🇵 Japan – Nintendo

Crimson Collective hacking group, known for the breach on Red Hat, now claims to have breached Nintendo.

Discover more at https://t.co/kJbN062Yq3 pic.twitter.com/ip8qkhrWuS

— Hackmanac (@H4ckmanac) October 11, 2025

The hacking group, calling themselves the Crimson Collective, punctuated their announcement with a jab: “Who said we did not have Nintendo topic files?” The implication is clear: these files aren’t just for show; they’re claiming to have lifted real, confidential Nintendo resources. If the screenshot’s legit, this breach goes way deeper than some run-of-the-mill phishing attack.

This comes hot on the heels of the Red Hat GitHub repository breach in September, where the same group claimed responsibility. Their quick return and focus on high-profile targets have painted a target squarely on the backs of household-name tech brands.

No Official Word from Nintendo, Yet

Despite the rising chatter, Nintendo hasn’t commented publicly on the breach. There’s no confirmation from the company about what, if anything, was stolen, or how much damage was done. Right now, there’s no evidence that customer data has been compromised, but that question is sure to be at the top of everyone’s minds until Nintendo addresses the situation directly.

The uncertainty leaves room for plenty of speculation. In the gaming world, leaks often snowball with rumours hitting social media long before companies weigh in. For now, though, most details remain locked down, except for those revealing screenshots.

This latest ransomware movement isn’t happening in a vacuum, either. Just last week, Discord alerted users about a breach affecting its customer service provider, resulting in some users’ personal data, including government IDs, falling into the wrong hands. The intersection of high-value gaming brands and cybercrime has never felt riskier or more urgent.

What’s at Stake for Nintendo?

This isn’t the first time Nintendo has made security headlines, but this alleged breach comes with unique baggage. Internal manuals and developer assets could provide insights into how Nintendo builds and runs its systems, details that law-abiding competitors and fans might never otherwise see.

Until Nintendo releases an official statement or offers guidance, caution is the name of the game. Users and developers alike are watching every new update, hoping this news doesn’t get worse.