Anthropic clamps down on Claude’s AI video game clones

Anthropic has updated Claude Code's system prompt to prevent the AI tool from being used to re-create existing video games, as reported by Tom's Hardware . Retro gaming is currently being overrun with AI-made decompilations, recompilations, and ports , but while Anthropic will still let people use Claude Code to make games, it doesn't want people to use it for direct clones. Last week, a user on X posted a screenshot allegedly showing two new sentences added to Claude Code's system prompt: "Do build original games, games in a genre, and games from the user's own designs and assets.