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    2,054,849 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 2026.269,417 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.

    X-Mountains

    Data pack

    This datapack removes the 256 height limit to the new mountains (and world) generation of the overworld.

    E42/ 100
    • OverviewE
    • SecurityPassed
    • PrivacyNothing sent
    • AINone found
    • CompatibilityUp to 1.20.1
    • ModpacksIn 1
    • ReleasesLatest Jul 2023

    Download

    xmountains_1_20.zip

    Released 2 Jul 2023 · 33.7 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Stable releases
    • A place to report problems

    Points lost

    • No release in 3.3 years−26 points
    • Under 50,000 downloads−1 point
    All 10 criteria
    • Maintenance

      18 points lost9 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3.3 years ago (2 Jul 2023) 0 / 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.Newest supported: 1.20.1. 15% or more of the popular mods updated in the last 6 months also have files for 1.20.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 3 months.No release in the last 24 months 0 / 6
    • Stability

      Full points5 / 5
      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.Not measured yet.
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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.GitHub issues · devpelux/xmountains 3 / 3
    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 50,000.2,772 3 / 4
    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.3 years, 5 releases 0 / 8
    Total42 / 100

    19.9 of the 47 points that apply = 42 out of 100. The points above are rounded to whole numbers.

    Images

    • X-Mountains cover
    • Minecraft mountain biome
    • Minecraft mountain biome without 256 limit

    In-game changes

    Runs no function files.

    Changes world generation: terrain shape.

    Adds no other content to the game.

    Replaces 2 of vanilla Minecraft's world generation files.

    Details

    Creator
    devpelux
    License
    MIT License
    Downloads
    2.8K
    Created
    2 Jul 2023
    Official page
    Modrinth
    Links
    Source code , Issues

    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 5 latest files checked, last on 20 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.
      5 latest files: the newest file for each Minecraft version and loader. The answer above is about the one for a recent version. 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 so far that AI was used to make it

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

    We have not read its code history yet.

    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.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • 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
      5 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 5 files
    Minecraft
    1.181.201.2126.1

    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.It has no file for Minecraft versions newer than 1.20.1. Many recently updated mods still support 1.20.1.

    Modpacks using this project

    Modpacks that include X-Mountains in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Create: Frosty Treats2K downloadslast version with it 30 Nov 2025

    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
    1.20 to 1.20.11.201.20 · xmountains_1_20.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    Older Minecraft versions
    1.19.41.19.41.19.4 · xmountains_1_19_4.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.19 to 1.19.31.191.19 · xmountains_1_19.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.18.21.18.21.18.2 · xmountains_1_18_2.zipRequires:NothingPassedOur checks found nothing harmful in this file.
    1.18 to 1.18.11.181.18 · xmountains_1_18.zipRequires:NothingPassedOur checks found nothing harmful in this file.

    5 releases

    MinecraftVersionReleasedSecurityGet it onDownload
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader1.201.20 · xmountains_1_20.zip (main file)·2 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 33.7 KB
    1.19.4The latest file for its Minecraft version and loader1.19.41.19.4 · xmountains_1_19_4.zip (main file)·2 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 33.7 KB
    1.19 to 1.19.31.19 to 1.19.3The latest file for its Minecraft version and loader1.191.19 · xmountains_1_19.zip (main file)·2 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 33.7 KB
    1.18.2The latest file for its Minecraft version and loader1.18.21.18.2 · xmountains_1_18_2.zip (main file)·2 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 38.6 KB
    1.18 to 1.18.11.18 to 1.18.1The latest file for its Minecraft version and loader1.181.18 · xmountains_1_18.zip (main file)·2 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthDownload · Stable · 36.5 KB