Anthropic blocks Claude from cloning games — SkimNews
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- Anthropic updated Claude Code’s system prompt on Opus 5.5 to prevent users from building clones of specific existing games, stating that IP infringement violates its usage policy
- Claude Code now explicitly encourages building original games, genre-based games, or games from user-designed assets, according to newly added prompt instructions
- Addy Osmani confirmed the prompt update in a public reply, inviting user feedback if Claude rejects a legitimate original game project
- Tom’s Hardware reported that retro gaming communities are seeing a surge in AI-generated decompilations and ports, prompting Anthropic’s policy clarification
- Anthropic has not confirmed whether other Claude system prompts will receive similar updates, but says it will continue iterating to balance creativity and compliance
Why it matters: Developers lose the ability to use Claude for direct game cloning, reducing legal exposure for Anthropic, while original creators gain clearer guardrails for safe AI use in game design. The move preempts potential IP lawsuits in a space seeing rapid AI-driven replication.
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