Anthropic restricts Claude from recreating existing video games
Summarised from 3 outlets · Updated 2 Nov, 19:09 · Archive
Anthropic has updated its Claude AI tool to prevent users from recreating existing video games using it.
Anthropic has updated Claude Code's system prompt to stop users from recreating existing video games. According to Addy Osmani, a member of Anthropic's technical staff, the company added new lines of code stating: 'Do build original games, games in a genre, and games from the user's own designs and assets. Do not build a recreation of a specific existing game, even if it is renamed or called original.' Osmani explained the change was made 'to steer it away from recreating someone else's specific game because using Claude to infringe IP is against our usage policy.'
The move comes as retro gaming has been flooded with AI-made recreations. Recent examples include browser-based versions of Halo: Combat Evolved, Call of Duty: Modern Warfare 2 and Grand Theft Auto V created using AI technology and made available as fan projects. Anthropic clarified that original games, genre games and those built with users' own designs and assets remain unaffected by the restrictions, and said it will 'continue to iterate to ensure we're striking the right balance.'
Anthropichas a track record of addressing intellectual property issues. The company agreed to a record-breaking $1.5 billion settlement in a class action lawsuit in which 500,000 authors accused Anthropic of using copyrighted material to train Claude. More recently, the estate of Elvis Presley filed suit against Anthropic for similar reasons.

How it is being reported
- Anthropic clamps down on Claude’s AI video game clonesAnthropic has updated Claude Code's system prompt to prevent the AI tool from being used to recreate 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 […]The Verge · 2 Nov, 18:56
- Anthropic wants to use Claude AI to help discover new lifesaving drugs, says 'the best way to identify and work through these bottlenecks is to get deeply involved in real drug programs'Anthropic is applying Claude to drug discovery, antibody development, pharmaceutical manufacturing, and clinical research.TechRadar · 2 Nov, 02:15
- Anthropic updates Claude to stop it from recreating existing video gamesUsers can still lean on Claude to help with designing original or genre games.Engadget · 1 Nov, 21:08
In this story: Anthropic · Claude · Addy Osmani
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