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    2,055,807 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,833 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    William Wythers' Overhauled Overworld (Datapack)

    Data pack

    A more natural-looking world with reimagined biomes and landscapes.

    A94/ 100
    Security
    Passed
    Privacy
    Nothing sent
    Runs on
    Server, client optional
    Minecraft versions
    Up to 26.3
    • OverviewA
    • SecurityPassed
    • PrivacyNothing sent
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 23
    • ReleasesLatest 20 Sep

    Download

    William Wythers' Overhauled Overworld v3.0.2.zip

    Released 20 Sep 2026 · 2.7 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Regular releases for the newest Minecraft versions
    • A place to report problems
    • Widely used
    • Around for years

    Points lost

    • Some modpacks removed it−3 points
    • Releases replaced within 3 days to fix a problem−1 point
    All 10 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.5 weeks ago (20 Sep 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.26.3 (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 3 months.Releases in 7 of the last 24 months 6 / 6

    • Stability

      4 points lost18 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.3 of the 17 modpacks with two or more versions removed it in a later one (18%) See the 3 modpacks7 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 13 releases in 2 years needed a quick fix (15%) See the 2 releases6 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      Full points3 / 3
      Source codeWhether the project page links to its source code, so anyone can read what it does.Does not apply. A data pack's files can be read in the download.
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker or a Discord server.Discord 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 50,000.267,658 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.4 years, 22 releases 8 / 8
    Total94 / 100

    60.2 of the 64 points that apply = 94 out of 100. The points above are rounded to whole numbers.

    Images

    • Wooded Badlands
    • Grove
    • Desert at Dawn
    • Desert Oasis
    • Out in the Outback
    • Pale Garden
    • Pumpkin Patch
    • Paradise
    • Tsingy Spires
    • Sugarcane paddies below the Banyan
    • Eucalyptus Jungle
    • Flooded Jungle
    • Oak Savanna
    • Danakil Desert
    • Savanna
    • Dark Forest
    • Arid Grassland
    • Badlands
    • Meadow
    • Stony Peaks
    • Rocky Mountains
    • Flower Forest
    • Winter Wonderland
    • Thermal Taiga
    • Riverside Forest Clearing
    • Coral Disks in the Lukewarm Ocean
    • Jungles
    • Wooded Badlands
    • Badlands
    • Taiga Clearing
    • Towering Trees
    • Valley Farm
    • Snowy Taiga
    • Snowy Mountains
    • Lonely Woods
    • Grove and Snowy Taiga
    • Bluebells
    • Birch Forest Stream
    • Pine and Birch Taiga
    • Volcano

    About

    William Wythers' Overhauled Overworld reimagines vanilla Minecraft terrain as a more realistic, cohesive and atmospheric world, using custom sky, water, grass and vegetation colors alongside extensive world-generation changes, all without requiring modding. Biomes gain sub-variants and rare transition regions, with trees of varied shapes and sizes, highland cliffs and scree escarpments, and distinctive landscapes such as the alpine Meadow, basalt Stony Peaks, eucalyptus woodlands and baobab-decorated Savanna. Other examples include the hydrothermal Danakil Desert, tuff spires in Sparse Jungle, water terraces in Bamboo Jungle, and a flooded transition between Jungle and Mangrove Swamp. Diorite, granite and andesite are concentrated in particular biomes rather than appearing as blobs in stone cliffs: diorite is abundant in Flower Forest, granite in Sunflower Plains and Birch Forest, and andesite in Meadow and Cherry Grove. Surface lava lakes and springs are absent from overworld biomes except in the volcanic Stony Peaks and Windswept Hills. The pack is designed to work with other world-generation packs and mods, including Tectonic and Reterraforged.

    Written from Modrinth . How we write it

    In-game changes

    Runs no function files.

    Changes world generation: 56 biomes, decorations such as trees and ores and structures.

    Adds 1 loot table, 37 tags and 681 more files in other folders.

    Replaces 72 of vanilla Minecraft's world generation files, 25 loot tables, 9 other data files and 4 tags.

    Details

    Creator
    WilliamWythers
    License
    All rights reserved
    Downloads
    268K
    Created
    14 May 2024
    Official page
    Modrinth
    Links
    Discord

    Security

    No harmful code found

    We checked what is inside its files, without opening them in the game.

    Why we show this: a data pack cannot run programs, but its file can hide one. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade.

    How we checked · All 4 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      7 latest files: the newest file for each Minecraft version and loader. The answer above is about the 4 for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.

    Privacy

    Sends nothing

    A data pack has no code that can connect to the internet, so it cannot send anything about you.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files and images and found none.

    Why we show this: some players and servers avoid projects made with AI. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 4 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content declared.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      20 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      1 image read

    Compatibility

    See all 22 files
    Minecraft
    1.161.191.2126.1

    Point at or tap a version to see it.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed on the server. If your game has it too, you get extra features.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Slower than most data packs. On average, it gets a file 66 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need William Wythers' Overhauled Overworld (Datapack) to work.

    ProjectTypeDownloadsGrade
    Navigable RiversAData pack81K downloadsCliffs and CovesBData pack63K downloadsTowering TepuisBData pack21K downloadsWWOO IslandsAData pack2.7K downloadsWWOO Islands Dimension-Data pack219 downloads

    Modpacks using this project

    Modpacks that include William Wythers' Overhauled Overworld (Datapack) in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Transportcraft Next Generation8K downloadslast version with it 23 Oct 2026RPG Wanderlust4.7K downloadslast version with it 24 Sep 2024Homelands4.2K downloadslast version with it 9 Nov 2025Create: Hex Casting4.1K downloadslast version with it 8 Jan 2025Survival Reborn2.9K downloadslast version with it 23 Jul 2025Cobblemon: Oreidia2.8K downloadslast version with it 2 Jan 2026T·U·S 1.20.12.8K downloadslast version with it 1 May 2025Terralith: Forevermore2K downloadslast version with it 13 Feb 2026Drag & Steam1.8K downloadslast version with it 5 Jun 2025BibiMinez Server Pack1.4K downloadslast version with it 28 Sep 2025
    1 to 10 of 23123

    Often in the same modpacks

    Mods that modpacks often add together with William Wythers' Overhauled Overworld (Datapack). Share: how many of the modpacks with William Wythers' Overhauled Overworld (Datapack) also have that mod.

    ProjectTypeShareGrade
    FerriteCoreAModin 91% of the modpacks with William Wythers' Overhauled Overworld (Datapack)LithiumAModin 87% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Mod MenuAModin 83% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Distant HorizonsBModin 78% of the modpacks with William Wythers' Overhauled Overworld (Datapack)BetterF3AModin 65% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Farmer's Delight RefabricatedAModin 57% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Concurrent Chunk Management Engine (Fabric)AModin 57% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Sodium ExtraAModin 57% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Reese's Sodium OptionsAModin 57% of the modpacks with William Wythers' Overhauled Overworld (Datapack)Dynamic FPSAModin 57% of the modpacks with William Wythers' Overhauled Overworld (Datapack)
    1 to 10 of 29123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftVersionSecurityRequires
    26.33.0.23.0.2 · William Wythers' Overhauled Overworld v3.0.2.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.21.112.6.42.6.4 · William Wythers' Overhauled Overworld v2.6.4.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.20.4 to 1.21.102.6.02.6.0 · William Wythers' Overhauled Overworld v2.6.0.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.20.1 to 1.20.32.1.12.1.1 · William Wythers' Overhauled Overworld v2.1.1.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    Older Minecraft versions
    1.18 to 1.18.11.2.01.2.0 · William Wythers' Overhauled Overworld v1.2.0.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.17 to 1.17.11.1.01.1.0 · William Wythers' Overhauled Overworld v1.1.0.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.16.2 to 1.16.51.0.01.0.0 · William Wythers' Overhauled Overworld v1.0.0.zipRequires:NothingPassedOur checks found nothing harmful in this file.

    22 releases

    MinecraftVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader3.0.23.0.2 · William Wythers' Overhauled Overworld v3.0.2.zip (main file)·20 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.7 MB
    26.33.0.13.0.1 · William Wythers' Overhauled Overworld v3.0.1.zip (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.7 MB
    26.33.0.03.0.0 · William Wythers' Overhauled Overworld v3.0.0.zip.zip (main file)·15 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.8 MB
    1.21.11The latest file for its Minecraft version and loader2.6.42.6.4 · William Wythers' Overhauled Overworld v2.6.4.zip (main file)·26 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.9 MB
    1.21.112.6.32.6.3 · William Wythers' Overhauled Overworld v2.6.3.zip (main file)·20 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.9 MB
    1.20.4 to 1.21.101.20.4 to 1.21.10The latest file for its Minecraft version and loader2.6.02.6.0 · William Wythers' Overhauled Overworld v2.6.0.zip (main file)·10 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 4.0 MB
    1.20.4 to 1.21.71.20.4 to 1.21.72.5.52.5.5 · William Wythers' Overhauled Overworld v2.5.5.zip (main file)·9 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 4.1 MB
    1.20.4 to 1.21.51.20.4 to 1.21.52.5.32.5.3 · William Wythers' Overhauled Overworld v2.5.3.zip (main file)·15 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 4.1 MB
    1.20.4 to 1.21.51.20.4 to 1.21.52.5.12.5.1 · William Wythers' Overhauled Overworld v2.5.1.zip (main file)·9 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 4.1 MB
    1.20.4 to 1.21.51.20.4 to 1.21.52.5.02.5.0 · William Wythers' Overhauled Overworld v2.5.0.zip (main file)·8 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 4.1 MB
    1.20.4 to 1.21.41.20.4 to 1.21.42.4.32.4.3 · William Wythers' Overhauled Overworld v2.4.3.zip (main file)·8 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 3.2 MB
    1.20.4 to 1.21.31.20.4 to 1.21.32.4.22.4.2 · William Wythers' Overhauled Overworld v2.4.2.zip (main file)·8 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 3.2 MB
    1.20.4 to 1.21.31.20.4 to 1.21.32.4.02.4.0 · William Wythers' Overhauled Overworld v2.4.0.zip (main file)·3 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 3.2 MB
    1.20.4 to 1.211.20.4 to 1.212.3.52.3.5 · William Wythers' Overhauled Overworld v2.3.5.zip (main file)·5 Jul 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.9 MB
    1.20.4 to 1.211.20.4 to 1.212.3.42.3.4 · William Wythers' Overhauled Overworld v2.3.4.zip (main file)·22 Jun 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.9 MB
    1.20.4 to 1.211.20.4 to 1.212.3.32.3.3 · William Wythers' Overhauled Overworld v2.3.3.zip (main file)·14 Jun 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.5 MB
    1.16.2 to 1.16.51.16.2 to 1.16.5The latest file for its Minecraft version and loader1.0.01.0.0 · William Wythers' Overhauled Overworld v1.0.0.zip (main file)·16 May 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 586.1 KB
    1.20.1 to 1.20.31.20.1 to 1.20.3The latest file for its Minecraft version and loader2.1.12.1.1 · William Wythers' Overhauled Overworld v2.1.1.zip (main file)·16 May 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 2.1 MB
    1.18 to 1.18.11.18 to 1.18.1The latest file for its Minecraft version and loader1.2.01.2.0 · William Wythers' Overhauled Overworld v1.2.0.zip (main file)·16 May 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 399.7 KB
    1.17 to 1.17.11.17 to 1.17.1The latest file for its Minecraft version and loader1.1.01.1.0 · William Wythers' Overhauled Overworld v1.1.0.zip (main file)·16 May 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 1.1 MB
    1 to 20 of 2212

    Quick fixes

    In the last 2 years, 2 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 1 point.

    See them, newest first
    • 3.0.116 Sep 2026Some small fixes
    • 2.5.19 Jun 2025Fix to a few bugs from v2.5.0