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The unexpected effectiveness of one-shot decompilation with Claude

A write-up showing Claude decompiling game code in a single pass.

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Credits

  • HN submitter knackers Source ↗

Earliest dated source: 28 Nov 2025

The full story

Chris Lewis describes how a simple "one-shot" loop, with Claude running headless, scored against the target, with defensive tooling and a bash driver, massively sped up matching decompilation of Snowboard Kids 2 on the Nintendo 64. Matching decompilation means rewriting a game in C that compiles to exactly the original bytes. The post drew 241 points and a debate about whether everything may become de facto open source.

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Sources

From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.

  • Hacker News: The unexpected effectiveness of one-shot decompilation with ClaudeBlog or write-upblog.chrislewis.au

    The detailed write-up of the decompilation loop.

  • Hacker News discussion (241 points)Forum threadnews.ycombinator.com
    HN submitter: knackersPosted 28 Nov 2025

    Hacker News discussion (241 points).

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Prompt & Solder

An independent community project. Not affiliated with Anthropic.

What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

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