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SPECIFICTION
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Cubiomes Viewer

github.com

WindowsLinux
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Spec score 7.4 #19 of 35 in Minecraft Seed Finders

What it is

Cubiomes Viewer is a graphical Minecraft Java Edition seed finder and map viewer built around cubiomes. It displays biomes in the Overworld, Nether and End, with zoom controls and toggles for supported structure types. The customizable seed finder applies hierarchical conditions to structure placement, world spawn and area biomes, and includes Quad-Hut and Quad-Monument generators for rare structure searches. Helper logic and Lua scripts can define custom filters within the tool. In a fixed seed, Locations mode checks trial positions against conditions and records matches with information about where each condition triggered. Biome and structure analysis tabs report counts, sizes and positions in an area. The project supports Minecraft Java Edition main releases through 1.21. Its main code is open source under GPLv3, and downloads are available for Windows and Linux. The project says macOS and other non-PC platforms are not formally supported. It warns that estimates for some structures in Minecraft 1.18 and later can be inaccurate when terrain prevents generation.

Spec sheet

Purpose
Cubiomes Viewer provides a graphical Minecraft seed finder and map viewer built around the cubiomes utilities.Read 30 Sep 2026 · github.com
License
The main code is licensed under GPLv3, with other components under their respective licenses.Read 30 Sep 2026 · github.com
Founded
2021Read 28 Sep 2026 · github.com
Analysis
Biome and structure analysis tabs report available counts, sizes and positions in an area.Read 30 Sep 2026 · github.com
Custom filters
Helper conditions provide logic gates, and Lua scripts can be used to create filters edited inside the tool.Read 29 Sep 2026 · github.com
Downloads
The project links precompiled binaries in GitHub Releases, a Flatpak on Flathub and an Arch Linux package in the AUR.Read 30 Sep 2026 · github.com
Game support
The tool is designed for Minecraft Java Edition main releases up to 1.21.Read 30 Sep 2026 · github.com
Known limitation
For Minecraft 1.18 and later, the project warns that Desert Pyramids, Jungle Temples, and sometimes Woodland Mansions can have inaccurate generation estimates.Read 29 Sep 2026 · github.com
Known limitations
The README warns that some structures may be estimated inaccurately in Minecraft 1.18 and later because unsuitable terrain can prevent them from generating.Read 30 Sep 2026 · github.com
Languages
The README lists English, German and Chinese translations.Read 30 Sep 2026 · github.com
Latest release
The Releases page lists version 4.1.2 as the latest release.Read 29 Sep 2026 · github.com
Location search
Location search checks conditions at trial positions in a fixed seed and collects passing locations with information about where each condition was triggered.Read 30 Sep 2026 · github.com
Lua scripting
Lua scripts can be integrated as custom search filters and edited inside the tool.Read 30 Sep 2026 · github.com
Map viewer
It displays biome maps for the Overworld, Nether and End, with zoom controls and toggles for supported structure types.Read 30 Sep 2026 · github.com
Minecraft versions
The project says it supports Minecraft Java Edition main releases up to 1.21.Read 29 Sep 2026 · github.com
Platform support
The README says non-PC platforms such as macOS are not formally supported.Read 30 Sep 2026 · github.com
Rare seed generators
The search supports Quad-Hut and Quad-Monument seed generators for finding seeds with rare structure constellations.Read 30 Sep 2026 · github.com
Rare structure searches
The seed finder supports Quad-Hut and Quad-Monument generators for searching for rare structure constellations.Read 29 Sep 2026 · github.com
Seed finding
Its customizable seed finder uses hierarchical conditions for structure placement, world spawn, and area biomes.Read 29 Sep 2026 · github.com
Seed search
Its customizable seed finder uses hierarchical conditions for criteria such as structure placement, world spawn and area biomes.Read 30 Sep 2026 · github.com
Support channel
The GitHub project provides an Issues page for reporting issues.Read 30 Sep 2026 · github.com

Strong points and limits

Strong points

  • Maps cover the Overworld, Nether and End.
  • Seed searches use customizable hierarchical conditions.
  • Lua scripts can create custom search filters.
  • Biome and structure tabs report area statistics.
  • Main code is open source under GPLv3.

Limits

  • macOS and other non-PC platforms are not formally supported.
  • Some structure estimates may be inaccurate from Minecraft 1.18 onward.
  • Bedrock Edition is not supported.

Who it suits

It suits Minecraft Java Edition players who want to search seeds using structure, spawn or biome conditions and inspect maps or area statistics. Windows and Linux are the listed supported platforms.

Verdict

Cubiomes Viewer combines seed searching with map viewing and area analysis for Java Edition through 1.21. Its platform support is limited, and some later-version structure estimates can be inaccurate.

Where Specifiction places it

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