Confirmed
Anthropic adds Claude Code rule against recreating existing video games
A rule added around October 27 tells Claude not to build recreations of specific existing games, even renamed ones. XDA verified it in Claude Code version 2.1.314, released October 30, and found Claude Opus 5.5 has separate instructions restricting game recreations.
Every outlet that ran it 2 articles
Ars TechnicaTech pressLead
Claude’s new rules against game cloning won’t stop the AI copying boom
The VergeTech press