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Anthropic has updated Claude Opus 5.5 to "steer it away" from letting users clone other developers' games, after weeks of Steam being overrun with AI slop and outcries from the game development community.

In an update spotted by X user Chasm [https://x.com/addyosmani/status/2116213240363729013?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet] (via Game Developer [https://www.gamedeveloper.com/programming/anthropic-appears-to-have-ordered-ai-tool-claude-to-stop-remaking-video-games?utm_source=dlvr.it&utm_medium=bluesky]) Anthropic added a new rule to Claude Code's "Rules". Listed under "tengu_heron_brook", the rule reads, "Do build original games, games in a genre, and games from the user's own designs and assets. Do no...