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    2,061,086 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.641,722 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,671 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.

    Replication Issues

    Modpack

    This modpack was created to play with friends, it is a experto mode with a full 10 stages.

    Download

    Files come from CurseForge servers.

    Replication Issues-1.8.zip

    Released 18 Oct 2026 · 6.9 MB

    Partly checked: 365 of 374 projects checked (9 not checked yet). See Security

    Download
    84%Modpack: 84% of its graded mods are A or Bof mods A or B
    Security
    Partly checked
    Privacy
    9 send data
    Loaders
    NeoForge
    Minecraft versions
    Minecraft 1.21.1
    • Overview84%
    • SecurityPartly checked
    • Privacy9 send data
    • AIIn 20 mods
    • CompatibilityMinecraft 1.21.1
    • ReleasesLatest 18 Oct
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 374 graded mods, 316 are graded A or B, 53 C and 5 D to F. Its last update came out 7 days ago, for Minecraft 1.21.1. See the mods

    Images

    • Captura de tela 2026-09-02 042944.png
    • Captura de tela 2026-09-02 165932.png
    • Captura de tela 2026-09-02 170007.png
    • Captura de tela 2026-09-02 170016.png
    • Captura de tela 2026-09-02 170039.png
    • Captura de tela 2026-09-02 170052.png
    • Captura de tela 2026-09-02 170056.png
    • Captura de tela 2026-09-02 170101.png
    • Captura de tela 2026-09-02 170105.png
    • Captura de tela 2026-09-02 170135.png

    Content of this pack365 of 374 checked

    The mods of its newest release (Minecraft 1.21.1 · NeoForge, 18 Oct 2026). 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 · 725.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Cloth Config APIMod · 570M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Mouse TweaksMod · 548.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.AppleSkinMod · 519.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.GeckolibMod · 500.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BookshelfMod · 473.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Architectury APIMod · 460.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ControllingMod · 441.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Entity CullingMod · 426.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ClumpsMod · 420.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.SodiumMod · 413.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.JourneyMapMod · 371.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Jade 🔍Mod · 354.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.WaystonesMod · 354.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Curios APIMod · 350.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CollectiveMod · 342.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PatchouliMod · 341.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PlaceboMod · 340.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Iris ShadersMod · 338.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Moonlight LibMod · 338.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Enchantment DescriptionsMod · 337.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ModernFixMod · 335.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ImmediatelyFastMod · 331.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BalmMod · 330.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.KonkreteMod · 295.4M downloadsAPassedPassed: our checks found nothing harmful in the latest files.
    1 to 25 of 37412345…15
    Changes since the previous release · 1 added, 2 removed

    Compared with the release of 16 Oct 2026 for the same platform, Minecraft version and loader. We do not compare the versions of the mods yet.

    Added
    Explorer's Compass Enhance
    Removed
    Nature's Compass and Explorer's Compass
    Share graded A or B
    down 1 point

    Details

    Creator
    dudutheslugee
    License
    Not known
    Downloads
    2.6K
    Created
    2 Sep 2026
    Official page
    CurseForge

    Security

    No harmful code found in the projects we checked

    We checked 365 of its 374 projects, 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 · 365 of 374 projects checked
    • Its projects
      See what is in this pack
      374 projects
    • Not checked yet
      MezzConfigPretty X Smart Pipez Mekanism EditionExtra Hostile Neural NetworksMystical Extended TierCompact ExpansionDraconic Evolution Respiration ModuleReplication Addon : TieredExtra Modules 2FTB Chunks Zoomout
      9 projects
    • Files in the pack itself
      Not checked yet.

    Privacy

    9 mods send something about you

    We read the code of 360 of its 367 mods, without running it.

    Entity CullingCrash reportsJourneyMapSystem detailssparkData we could not identify3D Skin LayersCrash reportsCrash AssistantData we could not identifyPneumaticCraft: RepressurizedCrash reportsPolyLibCrash reportsPsiData we could not identifyNeoAuthData we could not identify

    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 · 360 of 367 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      BookshelfCollectivePlaceboIris ShadersMoonlight LibSupplementariesFTB Library (NeoForge)RhinoImmersive EngineeringKubeJSForgeEndertechEuphoria PatchesKiwi 🥝Ars NouveauIron FurnacesActually AdditionsThe AetherPrickleAd AstraModern IndustrializationChunk-PregeneratorGadgets Against GrindIron's LibLDLibCertain Questing AdditionsCable Facades
      26 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 authorKubeJSdeclared by its authorIron's Libdeclared by its author
      3 mods
    • Send nothing
      Their code contacts no web address.
      325 mods
    • Not read yet
      We have not read their code yet.
      7 mods

    AI

    AI used in 20 of the 290 mods we checked

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

    4 other mods show AI use only from after this release (18 Oct 2026), so it does not apply to the versions in this pack.

    77 mods are not checked yet.

    1 mod can use AI in the game.

    Just Enough Items (JEI)Claude CodeJade 🔍GitHub Copilot (coding agent)WaystonesClaude CodeIris ShadersdeclaredModernFixClaude CodeSupplementariesClaude CodeApplied Energistics 2Claude CodeFTB Quests (NeoForge)GitHub Copilot3D Skin LayersCodeRabbitCyclops CoreClaude Code +2FTB Chunks (NeoForge)GitHub CopilotEuphoria PatchesGitHub CopilotCreate Crafts & AdditionsdeclaredKiwi 🥝declaredCommon CapabilitiesClaude Code +1Integrated DynamicsClaude Code +2Integrated TunnelsClaude Code +2Super Factory Managerin the gameOritechAI image generatorModern ChickensdeclaredFramed Block + Building Gadgets ImplementationGitHub Copilot

    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
      6 of 18 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 all 9 files
    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.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.374 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 the newest Minecraft version.

    9 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1·NeoForge1.81.8 · Replication Issues-1.8.zip·18 Oct 2026Partly checkedPartly checked: 365 of 374 projects checked (9 not checked yet).Open this file on CurseForgeDownload · Stable · 6.9 MB
    1.21.1·NeoForge1.71.7 · Replication Issues-1.7.zip·16 Oct 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 19.8 MB
    1.21.1·NeoForge1.6.11.6.1 · Replication Issues-1.6.1.zip·7 Oct 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 19.8 MB
    1.21.1·NeoForge1.51.5 · Replication Issues-1.5.zip·13 Sep 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 15.3 MB
    1.21.1·NeoForge1.41.4 · Replication Issues-1.4.zip·11 Sep 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 10.8 MB
    1.21.1·NeoForge1.31.3 · Replication Issues-1.3.zip·6 Sep 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 10.7 MB
    1.21.1·NeoForge1.21.2 · Replication Issues-1.2.zip·3 Sep 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 10.7 MB
    1.21.1·NeoForge1.11.1 · Replication Issues-1.1.zip·2 Sep 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 10.8 MB
    1.21.1·NeoForgeReplication IssuesReplication Issues · Replication Issues.zip·2 Sep 2026Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 6.3 MB