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Anthropic Updates Claude Opus to Curb AI-Generated Game Clones

Anthropic has updated Claude to stop it recreating specific existing video games, targeting the AI-generated game clones flooding Steam.

Updated 1 min read

Key points

  • Claude Code received a new rule around Oct 27 barring recreations of specific existing games.
  • Valve launched Steam Next Fest earlier this month, after which clones flooded PC feeds.
  • Developer Alliance Arts canceled its Steam demo plans in favour of private playtests.

Why it matters. Game developers may gain some protection against copycat versions of their work, though the source says how impactful the change will be remains to be seen.

Anthropic has added a rule to Claude Code around Oct 27 that bars it from recreating specific existing games. It follows a flood of AI-generated clones on Steam after Valve launched Steam Next Fest earlier this month. Addy Osmani, a member of Anthropic's technical staff, said two sentences were added to Claude Code's prompt on Opus 5.5 to steer it away from recreating someone else's specific game.

Latest updates

Anthropic Updates Claude Opus to Curb AI-Generated Game Clones

Anthropic has issued an update to its Claude Opus model aimed at stopping AI-generated game clones, according to IGN. The clones have filled gaming platforms, prompting concern about the volume of copied titles. The update is intended to prevent the model from being used to produce such games. Further details on how the change works were not provided in the report.

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