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    2,055,424 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 2026.269,392 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.

    Exosphere Worldgen Mod

    Mod

    Explore a world made of floating islands and altered landscapes.

    C76/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.21.1
    • ModpacksIn 12
    • ReleasesLatest 20 Oct

    Download

    exosphere-1.2.0.jar

    Released 20 Oct 2026 · 669.7 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Vanilla BackportAMinecraft 1.21.1 · Fabric (release 1.2.2)
    • PlatformNeeded by Vanilla BackportAMinecraft 1.21.1 · Fabric (release 1.4.2)
    • Fabric APINeeded by PlatformAMinecraft 1.21.1 · Fabric (release 0.116.17)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases

    Points lost

    • No source code link−7 points
    • First release only 4 months ago−5 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points21 / 21
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4 days ago (20 Oct 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.1.21.1 on NeoForge and Fabric. 15% or more of the popular mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Does not apply. The project is under 6 months old.

    • Stability

      Full points15 / 15
      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.None of the 10 modpacks with two or more versions removed it 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Does not apply. The project is under 6 months old.
      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.1 known conflict, but it does not count in the grade See the known conflict5 / 5

    • Transparency

      7 points lost0 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.56,813 3 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4 months, 13 releases 3 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total76 / 100

    41.7 of the 55 points that apply = 76 out of 100. The points above are rounded to whole numbers.

    Images

    • sulfur.jpg
    • default.jpg

    About

    Exosphere Worldgen creates a sky-island Overworld for survival play, drawing on the distinctive world shape of Apothicon’s “Stratospherical Expansion.” It adjusts foliage decoration, structure placement, ore generation, and loot tables to suit the island world. River-biome mud ponds provide kelp and sea pickles, while shipwrecks use customized loot tables that include ocean-related loot such as prismarine and coral items. Fishing is also adjusted so it does not require large open water bodies, which are absent from this world.

    Written from CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds no new blocks, items or other content.

    Replaces 72 of vanilla Minecraft's world generation files and 7 loot tables.

    Details

    Creator
    Leonniclass
    License
    Not known
    Downloads
    57K
    Created
    15 Jun 2026
    Official page
    CurseForge

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · The latest file 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.
      1 latest file, 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
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · Its one file read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of its one file, for recent Minecraft versions. See each file in Releases

    AI

    No sign that AI was used to make it

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

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. 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.
      Not on Modrinth.
    • 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
      26 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
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file

    Compatibility

    See all 13 files
    Fabric
    NeoForge
    1.2126.126.2

    Point at or tap a version to see its loaders.

    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.
    Vanilla BackportA
    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 1.21.1. Many recently updated mods still support 1.21.1.

    Known conflicts

    These projects do not work together with Exosphere Worldgen Mod: their authors or Exosphere Worldgen Mod's author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as Exosphere Worldgen Mod, so you only need one.

    ProjectTypeDownloadsDeclared by
    Backported MCMod57 downloadsdeclared by Backported MC

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Exosphere Worldgen Mod in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    BM - Exosphere 293K downloadslast version with it 5 Oct 2026BM - Exosphere 2 + Create33K downloadslast version with it 17 Oct 2026BM - Exosphere 2 Lite25K downloadslast version with it 24 Oct 2026Create Aeronautics Skyforge Chronicles5.8K downloadslast version with it 24 Jul 2026Pirates of Heaven MMO896 downloadslast version with it 19 Oct 2026Eldrune617 downloadslast version with it 19 Oct 2026Create Sky and Ravins208 downloadslast version with it 23 Oct 2026P3A - Per Aspera Ad Astra - Sky High Colony207 downloadslast version with it 20 Oct 2026MoTW Creation120 downloadslast version with it 22 Jul 2026Modulo 101595 downloadslast version with it 27 Aug 2026
    1 to 10 of 1212

    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.

    MinecraftLoaderVersionSecuritySendsRequires
    1.21.1·Fabric, NeoForge1.2.01.2.0 · exosphere-1.2.0.jarSends: None foundRequires:Vanilla BackportPassedOur checks found nothing harmful in this file. Its code was read too.

    13 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·Fabric, NeoForge1.2.01.2.0 · exosphere-1.2.0.jar·20 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 669.7 KB
    1.21.1·NeoForge1.1.01.1.0 · exosphere-1.1.0.jar·20 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 667.8 KB
    1.21.1·NeoForge1.0.101.0.10 · exosphere-1.0.10.jar·18 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 667.4 KB
    1.21.1·NeoForge1.0.91.0.9 · exosphere-1.0.9.jar·9 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 667.4 KB
    1.21.1·NeoForge1.0.81.0.8 · exosphere-1.0.8.jar·16 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 667.3 KB
    1.21.1·NeoForge1.0.71.0.7 · exosphere-1.0.7.jar·13 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 666.2 KB
    1.21.1·NeoForge1.0.61.0.6 · exosphere-1.0.6.jar·9 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 665.1 KB
    1.21.1·NeoForge1.0.51.0.5 · exosphere-1.0.5.jar·9 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 665.2 KB
    1.21.1·NeoForge1.0.41.0.4 · exosphere-1.0.4.jar·31 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 659.1 KB
    1.21.1·NeoForge1.0.31.0.3 · exosphere-1.0.3.jar·12 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 659.0 KB
    1.21.1·NeoForge1.0.21.0.2 · exosphere-1.0.2.jar·21 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 597.3 KB
    1.21.1·NeoForge1.0.11.0.1 · exosphere-1.0.1.jar·20 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 598.0 KB
    1.21.1·NeoForge1.0.01.0.0 · exosphere-1.0.0.jar·15 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 597.9 KB