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Anthropic clamps down on Claude’s AI video game clones
Anthropic has updated Claude Code’s instructions to steer it away from recreating specific existing video games, citing its policy against using Claude to infringe intellectual property. The change comes as AI-made decompilations, recompilations and ports are spreading in retro gaming, while Anthropic says users can still make original games.
A screenshot shared on X appeared to show two new instructions, but Anthropic’s Addy Osmani did not confirm that exact wording. He said two sentences were added to Claude Code’s prompt on Opus 5.5, and that games based on genres, users’ own designs or their own assets should remain allowed. Anthropic says it will keep adjusting the balance and invited users to flag cases where Claude rejects a game that belongs to them.
In short
- Claude Code is being steered away from cloning specific games.
- Original games and user-owned designs are still allowed.
- Anthropic says it will keep refining the restriction.
Steelman: both sides, in good faith
The strongest fair case each way — we don't pick a winner.
The case for
Steering Claude away from recreating named, existing games is a reasonable way to reduce the risk that its tools facilitate intellectual property infringement. Clear guidance may also reassure game makers that their distinctive work will not be copied at scale, while still allowing users to create original games inspired by broad genres or their own designs and assets.
The case against
A broad or inconsistently applied restriction could block legitimate work, including recreations of games users own or have permission to adapt, and make it harder to learn from or preserve older games. Because the reported wording is unconfirmed, the scope of the change is unclear; Anthropic should make the boundary transparent and ensure its safeguards do not mistake lawful, original projects for infringement.
Explained simply
Anthropic is the company behind Claude, an artificial intelligence assistant that can help people write and edit code. Claude Code is its tool for working on software projects, including games.
Video game makers own rights to elements such as a game’s code, art and music. Recreating a particular game without permission can raise copyright concerns, while making a new game in a familiar genre or using your own designs and assets is different.
The issue matters as AI tools make it easier to reproduce or adapt older games, and developers decide how to limit that use. Anthropic’s guidance affects what Claude Code will help create, while the company says it is still adjusting the rules and wants to hear about mistaken refusals.
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