Anthropic updates Claude to block video game cloning
First merged summary.
Anthropic updated Claude Opus 5.5 to refuse recreating specific existing video games while allowing original creations.
Anthropic updated its system prompt in Claude Code for Opus 5.5 to prevent the AI from recreating specific existing video games, even if renamed or called original. This change follows user complaints about refusals in game cloning and reverse-engineering tasks, including via the Reverse Engineer Anything tool. The update aims to comply with its usage policy on IP infringement. Original games and games from user designs remain allowed.
- Claude Opus 5.5 prompt updated to block specific game recreations
- Allows original or genre games but not specific title clones
- Refusals reported for mechanic replication and patching
- Compliance with IP infringement policy
- Complaints noted on GitHub and Twitter
Timeline
dated events in the reporting · oldest first- Nov 2, 2026Anthropic updated Claude prompt to block game clones · The Verge
What each outlet adds
beyond the shared facts- The VergePrompt update details and IP compliance reason
- Hacker NewsUser complaints, GitHub issues and Reverse Engineer Anything tool
- Vendors
- Anthropic
- Products
- Claude Code
- AI models
- Opus 5.5
Coverage
oldest first · one row per article · UTC- · 2d ago
Hacker News · AIFirst report
Claude reportedly blocks game cloning and some reverse engineering
Users say Claude Code and Opus 5.5 refuse existing-game recreation and some benign reverse-engineering tasks; Anthropic has not confirmed the rule.
- · 7h ago
The Verge · AI
Anthropic updates Claude to avoid recreating specific video games
Anthropic steers Claude Code away from direct clones of existing titles while still allowing original game creation.