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    2,073,618 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 27 Oct 2026.650,192 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 27 Oct 2026.270,352 projects gradedProjects with a letter from A to F. Counted on 27 Oct 2026.

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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Factory in the Sky 3

    Modpack

    Build a skyblock factory with quests, machines, magic, and more.

    Download

    Files come from CurseForge servers.

    Factory in the Sky 3-1.6.zip

    Released 8 Nov 2025 · 90.1 MB

    Partly checked: 198 of 201 projects checked (3 not checked yet). See Security

    Download
    76%Modpack: 76% of its graded mods are A or Bof mods A or B
    Security
    Partly checked
    Privacy
    5 send data
    Loaders
    Forge
    Minecraft versions
    Minecraft 1.20.1
    • Overview76%
    • SecurityPartly checked
    • Privacy5 send data
    • AIIn 2 mods
    • CompatibilityMinecraft 1.20.1
    • ReleasesLatest Nov 2025
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 199 graded mods, 151 are graded A or B, 46 C and 2 D to F. Its last update came out 12 months ago, for Minecraft 1.20.1. See the mods

    About

    Factory in the Sky 3 is a modded skyblock pack that starts you on a tree above the void and uses quests to guide a progression through technology, magic, farming, automation, and exploration. Its content includes resource chickens and blood- and botany-based systems, alongside tech such as Mekanism, Thermal, Refined Storage, Extreme Reactors, and Draconic Evolution. The pack supports early resource gathering by letting players grow saplings and crops by twerking, and expands toward flight and space travel with Iron Jetpacks, Angel Rings, Ad Astra, and related additions. Players can automate production with tools including pipes, storage networks, Botany Pots and Trees, and Industrial Foregoing, while farming and chickens provide additional ways to generate resources. The adventure also includes boss fights described as tougher than the Wither and Ender Dragon, dragon mounts for crossing the void, and decorative options such as Chipped blocks, framed blocks, furniture, and fairy lights.

    Written from CurseForge . How we write it

    Content of this pack198 of 201 checked

    The mods of its newest release (Minecraft 1.20.1 · Forge, 8 Nov 2025). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ProjectGradeSecurity
    Just Enough Items (JEI)Mod · 725.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Cloth Config APIMod · 570.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Mouse TweaksMod · 548.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AppleSkinMod · 520.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BookshelfMod · 473.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Architectury APIMod · 460.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ControllingMod · 441.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Entity CullingMod · 427.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ClumpsMod · 420.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Jade 🔍Mod · 354.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.WaystonesMod · 354.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Curios APIMod · 350.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CollectiveMod · 343.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PatchouliMod · 341.5M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PlaceboMod · 340.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Moonlight LibMod · 338.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Enchantment DescriptionsMod · 337.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ModernFixMod · 335.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Nature's CompassMod · 332.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BalmMod · 330.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.FancyMenuMod · 299.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.KonkreteMod · 295.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Puzzles LibMod · 292.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Better AdvancementsMod · 284.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Sophisticated BackpacksMod · 272.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.
    1 to 25 of 20112345…9

    1 file not listed: no matching project found.

    Changes since the previous release · 1 added

    Compared with the release of 4 May 2025 for the same platform, Minecraft version and loader. We do not compare the versions of the mods yet.

    Added
    Jauml
    Share graded A or B
    unchanged

    Details

    Creator
    MuggleOrWizard
    License
    All rights reserved
    Downloads
    14K
    Created
    15 Sep 2024
    Official page
    CurseForge

    Security

    No harmful code found in the projects we checked

    We checked 198 of its 201 projects 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 · 198 of 201 projects checked
    • Its projects
      See what is in this pack
      201 projects
    • Not checked yet
      Mekanism CTM w/ FusionPretty X Smart PipezResource Chickens
      3 projects
    • Files in the pack itself
      452 settings files, 24 scripts, 2 resource, shader or data packs, 8 other files, no mod jars.

    Privacy

    5 mods send something about you

    We read the code of all 199 of its mods, without running it.

    Entity CullingCrash reportsFancyMenuCrash reportsCrash AssistantData we could not identifyNeruina - Ticking Entity FixerData we could not identifyPolyLibCrash reports

    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 199 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      BookshelfCollectivePlaceboMoonlight LibSupplementariesFTB Library (NeoForge)CraftTweakerBotaniaHammerLibChance CubesAd AstraMekanism AdditionsAIOT BotaniaActually Subtractions
      14 mods
    • Crash reports or usage dataTheir author declares crash reports or usage data on Modrinth, or such a service is named in their files. Reading their code did not show it.
      Collectivedeclared by its author
      1 mod
    • Send nothing
      Their code contacts no web address.
      180 mods

    AI

    AI named in 2 of the 160 mods we checked

    We found an AI tool named in them, or their authors declare AI content.

    11 other mods show AI use only from after this release (8 Nov 2025), so it does not apply to the versions in this pack.

    39 mods are not checked yet.

    FTB Quests (NeoForge)GitHub CopilotFTB Chunks (NeoForge)GitHub Copilot

    Made with AI: not checked yet

    We have not looked for AI tools in the pack itself 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 in the description
      Changelogs not read yet
    • Its filesCredits and texts in the files you download that name an AI tool.
      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 all 15 files
    Forge
    1.201.2126.126.3

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

    15 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1·Forge1.61.6 · Factory in the Sky 3-1.6.zip·8 Nov 2025Partly checkedPartly checked: 198 of 201 projects checked (3 not checked yet).Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.51.5 · Factory in the Sky 3-1.5.zip·4 May 2025Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.41.4 · Factory in the Sky 3-1.4.zip·16 Apr 2025Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.31.3 · Factory in the Sky 3-1.3.zip·4 Jan 2025Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.21.2 · Factory in the Sky 3-1.2.zip·5 Dec 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.11.1 · Factory in the Sky 3-1.1.zip·22 Oct 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.0.81.0.8 · Factory in the Sky 3-1.0.8.zip·16 Oct 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.1 MB
    1.20.1·Forge1.0.71.0.7 · Factory in the Sky 3-1.0.7.zip·12 Oct 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.0.61.0.6 · Factory in the Sky 3-1.0.6.zip·10 Oct 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.0.51.0.5 · Factory in the Sky 3-1.0.5.zip·28 Sep 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.0.41.0.4 · Factory in the Sky 3-1.0.4.zip·24 Sep 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.0.31.0.3 · Factory in the Sky 3-1.0.3.zip·21 Sep 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.0.21.0.2 · Factory in the Sky 3-1.0.2.zip·18 Sep 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.0.11.0.1 · Factory in the Sky 3-1.0.1.zip·16 Sep 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB
    1.20.1·Forge1.01.0 · Factory in the Sky 3-1.0.zip·15 Sep 2024Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 90.0 MB