Anthropic engineer Addy Osmani announces adjustment to Claude Code game development restrictions

Nov 4

1. 17:46

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2. 17:40

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   Claude Code Adjusts Game Development Restrictions: Can Reference Existing Gameplay, Direct Replication Prohibited

   Anthropic engineer Addy Osmani said that Claude Code version 2.1.317 adjusted the game development restrictions for Claude Opus 5.5; users can now mention existing games and reference their gameplay mechanics to develop original games of the same genre, and are no longer directly refused. If a user explicitly requests copying the original work, Claude will still refuse direct replication and instead suggest developing a game with a similar experience.

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3. 17:40

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4. 14:04

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   Claude Code 2.1.317 Adjusts Game Development Restrictions: Can Reference Existing Gameplay, Still Prohibits Direct Replication

   Anthropic engineer Addy Osmani announced on X that Claude Code version 2.1.317 has adjusted the game development restrictions for Claude Opus 5.5. Users can now directly mention an existing game and have Claude reference its gameplay mechanics to develop an original game of the same genre, and will no longer be directly refused for this reason. Previously, a rule to avoid replicating others' game works was added to Opus 5.5's system prompt, which sparked dissatisfaction among developers last week, and Osmani acknowledged that the original restriction was too broad. If a user explicitly requests copying the original work, Claude will still refuse and suggest developing a game with a similar experience.

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