Reimplementation · Creative

Nerthus

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Summary

Create Gaea-style terrains with node graphs, erosion, surface detail, coloring and map exports.

Description

Independent Gaea-style node-based terrain generator with terrain primitives, erosion, surface detail, coloring and map export. The maintainer reports reading and writing Gaea .terrain projects. Includes a desktop editor, command-line builds and local MCP automation, plus a restricted browser editor.

Source repository ↗Website ↗Try it in your browser ↗Documentation ↗

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Screenshots

Nerthus: terrain preview and procedural node graph.

Compatibility and scope

Status and compatibility are maintainer-reported. Inclusion is not an independent verification or certification.

Development status: Experimental
Compatibility: Partial (claimed)
Languages: Rust
Platforms: macOS, Web
License: MIT

Known limitations

Windows and Linux builds are untested. Node output, palettes, interface behavior and image decoding differ from Gaea; Houdini, Unity and Unreal bridges are omitted. Browser builds run on one CPU thread and omit map export, file imports, baking, persistent settings and MCP.