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NHR, a narrative horror game engine built in four weeks

A solo developer had Claude Code write most of a one-genre engine for horror games; two games made with it are on itch.io and have been streamed.

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Credits

  • Reddit poster EconomyPrudent6511 Source ↗

Earliest dated source: 12 Oct 2026

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: I built a custom horror game engine with Claude Code in 4 weeks. 200+ people have played the games aForum threadreddit.com
    Reddit poster: EconomyPrudent6511Posted 12 Oct 2026

    If it disappears: archived copy of Reddit: I built a custom horror game engine with Claude Code in 4 weeks. 200+ people have played the games a (opens in a new tab)

  • The project: itch.ioBlog or write-upitch.io

    Linked in the post.

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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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