Agents & dev tools · 4 November 2026

Anthropic blocks Claude Code from cloning existing video games

Anthropic added two sentences to Claude Code's Opus 5.5 system prompt that prevent the assistant from recreating existing video games, even if renamed. The rule, active for several days, allows users to build original games with custom assets but some report issues with existing projects.

Why it matters

Claude Code now blocks game cloning; update onboarding to emphasize IP compliance and guide users toward building original assets.

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