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Image: reddit.com · Video still: UE5 Dark Souls inspired demo I built with Opus 5.5, running in WebGPU

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A Dark Souls-style Unreal Engine 5 demo running in a browser tab

Claude Code (Opus 5.5) got a UE5 project made from a bought asset pack rendering client-side in the browser through WebGPU and WebAssembly.

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Credits

  • Reddit poster astlouis44 Source ↗

Earliest dated source: 6 Oct 2026

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Sources

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

  • Reddit: UE5 Dark Souls inspired demo I built with Opus 5.5, running in WebGPUForum threadreddit.com
    Reddit poster: astlouis44Posted 6 Oct 2026

    If it disappears: archived copy of Reddit: UE5 Dark Souls inspired demo I built with Opus 5.5, running in WebGPU (opens in a new tab)

  • The project: simplystream.devBlog or write-upsimplystream.dev

    Linked in the post.

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