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    2,053,304 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 2026.269,472 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    Leviathan

    Modpack

    Leviathan is a Survival mega-modpack. It expands on FTB Revelation by increasing players' Tech and Magic-based capabilities and utility to tackle the extended assortment of challenging creatures, bosses, and dimensions in their own preferred manner.

    37%Modpack: 37% of its graded mods are A or Bof mods A or B
    • Overview37%
    • SecurityPartly checked
    • Privacy5 send data
    • AIIn 7 mods
    • CompatibilityMinecraft 1.12.2
    • ReleasesLatest Feb 2020

    Download

    Leviathan Update-3.2.zip

    Released 26 Feb 2020 · 14.8 MB

    Partly checked: all 225 mods checked, the pack's own files not yet. 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 212 graded mods, 78 are graded A or B, 42 C and 92 D to F. Its last update came out 6.7 years ago, for Minecraft 1.12.2. See the mods

    Mods in this pack225 of 225 checked

    The mods of its newest release (Minecraft 1.12.2 · Forge, 26 Feb 2020). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ModGradeSecurity
    Just Enough Items (JEI)Mod · 725.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Mouse TweaksMod · 548.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AppleSkinMod · 519.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BookshelfMod · 473M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ControllingMod · 441.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ClumpsMod · 420.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.JourneyMapMod · 371.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.WaystonesMod · 354M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PatchouliMod · 341.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PlaceboMod · 340.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Nature's CompassMod · 332.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.QuarkMod · 285.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Better AdvancementsMod · 284.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Biomes O' PlentyMod · 272.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Just Enough Resources (JER)Mod · 251.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Storage DrawersMod · 246M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AutoRegLibMod · 243.7M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Applied Energistics 2Mod · 236M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CraftTweakerMod · 233.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.MantleMod · 231.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Iron ChestsMod · 224.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CoFH CoreMod · 213.9M downloadsCPassedPassed: our checks found nothing harmful in the latest files.The Twilight ForestMod · 210.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ConnectedTexturesModMod · 206.1M downloadsCPassedPassed: our checks found nothing harmful in the latest files.CodeChicken LibMod · 201.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.
    1 to 25 of 22512345…9

    1 file not listed: no matching project found.

    Changes since the previous release · 11 added

    Compared with the release of 21 Feb 2020 for the same platform, Minecraft version and loader. We do not compare the versions of the mods yet.

    Added
    MalisisDoorsMalisisCoreMalisisSwitchesRFTools DimensionsChicken Chunks 1.8.+The AetherElectroblob's WizardryPTRLibElectroblob's Wizardry: Twilight Forest Spell PackAquaculture 2Decocraft
    Share graded A or B
    unchanged

    Details

    Creator
    EmergentCapulin
    License
    Not known
    Downloads
    5.8K
    Created
    17 Mar 2018
    Official page
    CurseForge

    Security

    No harmful code found in the mods we checked

    We checked all 225 mods, without running them.

    We have not checked the files in the pack itself yet (settings, scripts).

    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 225 mods checked
    • Its projects
      See what is in this pack
      225 mods
    • Files in the pack itself
      Not checked yet.

    Privacy

    5 mods send something about you

    We read the code of 224 of its 225 mods, without running it.

    JourneyMapSystem detailsReAuthUnknown dataFTB Utilities (Forge)Crash reportsBuildCraftPlayer nameMineTogetherPlayer ID +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 · 224 of 225 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      BookshelfPlaceboCraftTweakerThe Twilight ForestImmersive EngineeringBotaniaExtra UtilitiesBiblioCraftFTB Library (Forge) (Legacy)Actually AdditionsThe AetherCoFH WorldAstral SorceryOpenBlocksAroma1997CoreCB MultipartForestryp455w0rd's LibraryThaumcraftHammerLibWireless Crafting TerminalDecocraftInventory PetsRailcraftMagic BeesMrTJPCoreLetsEncryptCraftElecCoreThaumic Additions: ReconstructedDummyCore Unofficial
      30 mods
    • Send nothing
      Their code contacts no web address.
      189 mods
    • Not read yet
      We have not read their code yet.
      1 mod

    AI

    AI used in 7 of the 129 mods we checked

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

    96 mods are not checked yet.

    Just Enough Items (JEI)Claude CodeWaystonesClaude CodeQuarkClaude CodeApplied Energistics 2Claude CodeBotaniaClaude CodeRefined StorageClaude CodeReborn CoreCursor

    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 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 all 6 files
    Forge
    1.121.151.171.2026.1

    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.225 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.

    6 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2·Forge3.23.2 · Leviathan Update-3.2.zip·26 Feb 2020Partly checkedPartly checked: all 225 mods checked, the pack's own files not yet.Open this file on CurseForgeDownload · Stable · 14.8 MB
    1.12.2·Forge3.13.1 · Leviathan-3.1.zip·21 Feb 2020Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 14.6 MB
    1.12.2·Forge3.03.0 · Leviathan-3.0.zipBeta·21 Feb 2020Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Beta · 14.4 MB
    1.12.2·Forge2.22.2 · Leviathan-2.2.zipBeta·10 May 2019Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Beta · 14.1 MB
    1.12.2·Forge2.12.1 · Leviathan-2.1.zipBeta·9 May 2019Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Beta · 14.1 MB
    1.12.2·Forge2.02.0 · Leviathan 2.0.zipBeta·8 May 2019Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Beta · 14.1 MB