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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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    Undertale

    Modpack

    The excellent game of Undertale, in Minecraft (Beta)

    80%Modpack: 80% of its graded mods are A or Bof mods A or B
    • Overview80%
    • SecurityPassed
    • Privacy1 sends data
    • AINone found
    • CompatibilityMinecraft 1.17.1
    • ReleasesLatest Sep 2021

    Download

    Undertale in Minecraft-1.0.0.zip Beta

    Released 17 Sep 2021 · 3.9 MB

    Passed: all 5 mods checked. See Security

    Download
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 5 graded mods, 4 are graded A or B, 0 C and 1 D to F. Its last update came out 5.1 years ago, for Minecraft 1.17.1. See the mods

    About

    Undertale is a work-in-progress Minecraft map intended to recreate the game, with its included mods providing the accompanying modpack. Only the intro is finished, so the available experience is limited to that section; the rest of the project is incomplete.

    Written from CurseForge . How we write it

    Mods in this pack5 of 5 checked

    The mods of its newest release (Minecraft 1.17.1 · Forge, 17 Sep 2021). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ModGradeSecurity
    Mouse TweaksMod · 548.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.WorldEditMod · 78.4M downloadsBPassedPassed: our checks found nothing harmful in the latest files.FPS ReducerMod · 73.4M downloadsBPassedPassed: our checks found nothing harmful in the latest files.Wireless RedstoneMod · 3.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.OptiForgeMod · 1.9M downloadsEPassedPassed: our checks found nothing harmful in the latest files.

    Details

    Creator
    Unkn0wn4all
    License
    Not known
    Downloads
    63K
    Created
    17 Sep 2021
    Official page
    CurseForge

    Security

    No harmful code found in its mods

    We checked all 5 mods and the files in the pack itself, without running them.

    Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.

    How we checked · All 5 mods checked
    • Its projects
      See what is in this pack
      5 mods
    • Files in the pack itself
      19 settings files, 1 resource, shader or data pack, 53 other files, no mod jars.

    Privacy

    1 mod sends something about you

    We read the code of all 5 of its mods, without running it.

    WorldEditUsage data +1

    Why we show this: a modpack runs the code of its mods, and 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 · All 5 mods read
    • Send nothing
      Their code contacts no web address.
      4 mods

    AI

    No sign that AI was used to make its mods

    We found no AI tool in the 4 mods we checked, and no AI content is declared for them on Modrinth.

    1 mod is not checked yet.

    No sign so far that AI was used to make the pack itself

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

    We have not read its files and images yet.

    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 · 1 place 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
      2 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet

    Compatibility

    See the file in Releases
    Forge
    1.171.201.2126.1

    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.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.5 projects, listed in the Overview tab.
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.No file yet for any of the last 6 Minecraft versions.

    1 release

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.17.1·Forge1.0.01.0.0 · Undertale in Minecraft-1.0.0.zipBeta·17 Sep 2021PassedPassed: all 5 mods checked.Open this file on CurseForgeDownload · Beta · 3.9 MB