What prompted Anthropic to update Claude Code?
Anthropic has updated Claude Code's system prompt to prevent the AI tool from being used to re-create existing video games como detalla el informe. Retro gaming is currently being overrun with AI-made decompilations, recompilations, and ports, and this measure aims to address the issue directly.
Last week, a user on X posted a screenshot allegedly showing two new sentences added to Claude Code's system prompt: Don't build a recreation of a specific existing game, even if it is named or called original.
Which games are still allowed to be built?
Anthropic’s Addy Osmani confirmed that the company had updated the prompt in Claude Code on Opus 5.5 to steer developers away from recreating someone else's specific game because using Claude to infringe IP is against their usage policy mientras el mercado evoluciona.
Despite these restrictions, original games, genre games, and games built from your own designs and assets are still fully supported and meant to keep working normally.
How can developers adapt to these new guidelines?
Developers looking to ensure compliance while building applications should carefully verify their prompt workflows and resource origins siguiendo buenas prácticas de filtrado.
If an original project is incorrectly flagged or turned down by Claude, developers can reach out to Anthropic representatives to review specific cases during this iterative rollout.