Anthropic's Claude AI blocks video game cloning and reverse-engineering — sweeping new restrictions also hit legitimate developers and basic troubleshooting tasks

The issue is becoming a significant headache for developers, who report that Claude Code's GitHub repository is seeing a surge of issues. These complaints cover refusals to do standard game work halfway through development, when replicating a game mechanic, and patching a tabletop-like game.

One user, Chasm, shared a specific instruction that appears to be the source of the problem: "Do build original games, games in a genre, and games from the user’s own designs and assets. Don’t build a recreation of a specific existing game, even if it is renamed or called original."

While some reports may come from users with less-than-scrupulous intentions, at least one of the complaints is from a developer with a real track record. The situation is complicated by the fact that the policy's exact text has not been officially confirmed by Anthropic.

Sweeping restrictions hit legitimate developers

The new restrictions are not limited to cloning; they are also blocking generic reverse-engineering tasks. Users claim that even non-malicious attempts to analyze or understand game code are being refused.

This creates a difficult dilemma for developers who rely on AI assistants for coding and problem-solving. A tool that can help with basic troubleshooting and patching is suddenly unable to perform its core functions for game-related projects.