What games were targeted by the DMCA notices?

Epic Games targeted a browser port of Fortnite on October 10. Microsoft issued notices for Minecraft, Call of Duty, and Halo-related web browser ports over the past month.

Why are Microsoft and Epic hypocritical?

Both companies publicly advertise their own use of AI in game development while using copyright takedowns to stop others from using AI on their games.

Large Language ModelsAI Regulation & PolicyAI Weekly18h agoOct 29, 2026, 04:00 JST

Microsoft, Epic Games DMCA AI browser ports of Minecraft, Fortnite

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3 Key Points

What happened
Epic Games issued a DMCA notice against a vibe-coded browser port of Fortnite on October 10, while Microsoft filed multiple takedowns for Minecraft, Call of Duty and Halo web ports.
Why it matters
Both publishers are trying to stop others from using AI to build on their games, even as they tout their own AI use — a double standard.

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Context & Analysis

The DMCA notices from Microsoft and Epic Games follow a surge in AI-assisted decompilations and browser ports, which have become commonplace due to tools like Claude Opus 5.5. While major publishers can afford legal action, indie developers whose games were open-sourced against their wishes — such as Mega Crit’s Slay the Spire 2, Maddy Makes Games’ Celeste, and Ludeon Studios’ RimWorld — lack the resources to pursue similar takedowns. Epic Games’ Tim Sweeney responded by stating that Epic does not allow use of Fortnite IP without permission, and that the company is working to remove EULA restrictions on AI training for Unreal Engine outputs. The tension is a question of consistency: the same companies that rely on AI tools are using copyright law to block others from doing the same.

FAQ

What games were targeted by the DMCA notices?: Epic Games targeted a browser port of Fortnite on October 10. Microsoft issued notices for Minecraft, Call of Duty, and Halo-related web browser ports over the past month.
Why are Microsoft and Epic hypocritical?: Both companies publicly advertise their own use of AI in game development while using copyright takedowns to stop others from using AI on their games.

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