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    2,060,121 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.641,511 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,682 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundWhat's newAPIAboutPrivacyTermsContact

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

    Mutationcraft

    Mod

    Parasite mutants spread through your world and threaten nearby creatures.

    Download

    Files come from CurseForge servers.

    mutationcraft-legacy-neoforge-1.1-1.21.1.jar

    Released 27 Sep 2026 · 2.5 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • GeckolibAMinecraft 1.21.1 · NeoForge (release 4.9.3)
    C75/ 100
    Security
    Passed
    Privacy
    None found
    Runs on
    Client and server
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.21.1
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 184
    • ReleasesLatest 27 Sep
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Widely used
    • Around for years

    Points lost

    • Many modpacks removed it−8 points
    • Releases in only 1 of the last 24 months−5 points
    • No public issue tracker−3 points
    All 11 criteria
    • Maintenance

      5 points lost22 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4 weeks ago (27 Sep 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, 1.20.1 on Forge. 65% of the 995 popular NeoForge 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.Releases in 1 of the last 24 months 1 / 6
    • Stability

      8 points lost7 / 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.42 of the 128 modpacks with two or more versions removed it in a later one (33%) See the 42 modpacks2 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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.None 5 / 5
    • Transparency

      3 points lost7 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Sxilverrr/Mutationcraft 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.3,634,895 4 / 4
    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.5 years, 56 releases 8 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total75 / 100

    48.1 of the 64 points that apply = 75 out of 100. The points above are rounded to whole numbers.

    Images

    • logo
    • assimilated trader
    • assimilated pig
    • human stage 3
    • assimilated horse
    • assimilated enderman
    • reductor
    • Helicopter
    • assimilated wolf
    • assimilated fox
    • assimilated bear
    • assimilated sheep
    • assimilated cow
    • assimilated vex
    • assimilated evoker

    About

    Mutationcraft turns survival into a spreading parasite outbreak, with an outbreak timer that brings in stronger tiers of mutants as it advances. Its roster ranges from assimilated villagers, pillagers, witches, traders and animals to Necroptors and Reductors, advanced human stages, Flayers, Hooks and bosses such as the Corrosion Queen and Human Herder. Mutants can convert creatures and players they kill, while Mutagen Sickness can also trigger transformation; some species evolve over time or after meeting specific conditions, such as Necroptors becoming Reductors after killing zombies. Hooks spread infection on blocks, summon smaller parasites and grow from Light to Medium to Heavy forms. The outbreak also brings Hazmat patrols, scientists and helicopters into the Overworld; Hazmats hunt mutants and may act as allies, though they are another force in the conflict. Combat gear includes infected weapons such as rapiers, battle axes, halberds and flanged maces, along with metal armor, Mutation Bane enchantment and special items including the Fang Staff and Totem of Immunity. The fuel-powered flamethrower can overheat if fired too long, and burning mutants take double damage; other threats and gear add effects such as bleeding, corrosion and Mutagen Sickness. A configuration file and /mutationcraft commands let players adjust or manage outbreak stages, timing, pausing, infection, cures and other settings.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds:

    • 1 enchantmentMutation Bane.
    • 20 recipes
    • 46 loot tables
    • 50 sounds

    Counted from the files of the mod. Content made only in its code is not counted.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creator
    ASEStefan
    License
    All rights reserved
    Downloads
    3.6M
    Created
    13 Apr 2023
    Official pages
    Modrinth , CurseForge
    Links
    Source code

    Security

    No harmful code found

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

    What it can do on your computer

    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them.

    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 · Both latest files checked, last on 15 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.
      8 latest files: the newest file for each Minecraft version and loader. The answer above is about the 2 for recent versions. 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
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • 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 · Both files 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 both files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files, images, sounds and code history 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 · 7 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.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
    • 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
      4 of 40 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
      142 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      40 of 50 sounds 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
      174 code files read

    Compatibility

    See all 56 files
    NeoForge
    Forge
    1.181.201.2126.1

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    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.
    GeckolibA
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English, 简体中文, Русский and
    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.

    Modpacks using this project

    Find modpacks with it

    184 modpacks include Mutationcraft in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 12 Jul 2024MineField Mods361K downloadslast version with it 26 Aug 2023Chernobyl - Forge Labs60K downloadslast version with it 25 Mar 2024The Dwellers We Fear48K downloadslast version with it 21 Apr 2024horror the last world in ruins24K downloadslast version with it 27 Dec 2023Horror+19K downloadslast version with it 17 Nov 2024Parasite : Survive the Infestation12K downloadslast version with it 24 Nov 2025Wayne's Blood N Bones11K downloadslast version with it 27 Aug 2023mutated zombie apocalypse11K downloadslast version with it 21 Oct 2023Deceased Craft But Better11K downloadslast version with it 4 May 2025
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Mutationcraft. Share: how many of the modpacks with Mutationcraft also have that mod.

    ProjectTypeShareGrade
    Zombie AwarenessCModin 64% of the modpacks with MutationcraftEnhanced CelestialsBModin 56% of the modpacks with MutationcraftTissou's Zombie PackCResource packin 55% of the modpacks with MutationcraftEnhancedVisualsAModin 54% of the modpacks with MutationcraftThe Lost CitiesAModin 51% of the modpacks with MutationcraftSecurityCraftAModin 50% of the modpacks with MutationcraftRubidiumCModin 48% of the modpacks with MutationcraftSerene SeasonsAModin 48% of the modpacks with MutationcraftTrue DarknessDModin 47% of the modpacks with MutationcraftAI Improvements: Performance TuningAModin 46% of the modpacks with Mutationcraft
    1 to 10 of 30123

    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·NeoForge1.11.1 · mutationcraft-legacy-neoforge-1.1-1.21.1.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.11.1 · mutationcraft-legacy-forge-1.1-1.20.1.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.4·Forge1.0.51.0.5 · Mutationcraft_1.19.4_1.0.5.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.4·Forge1.0.21.0.2 · Mutationcraft_1.19.4_1.0.2.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge1.0.61.0.6 · Mutationcraft_1.19.2_1.0.6.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge1.0.21.0.2 · Mutationcraft_1.19.2_1.0.2.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.0.61.0.6 · Mutationcraft_1.18.2_1.0.6.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.0.21.0.2 · Mutationcraft_1.18.2_1.0.2.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.

    56 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.11.1 · mutationcraft-legacy-neoforge-1.1-1.21.1.jar·27 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.11.1 · mutationcraft-legacy-forge-1.1-1.20.1.jar·27 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 2.5 MB
    1.19.2The latest file for its Minecraft version and loader·Forge1.0.61.0.6 · Mutationcraft_1.19.2_1.0.6.jar·12 Dec 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.5 MB
    1.18.2The latest file for its Minecraft version and loader·Forge1.0.61.0.6 · Mutationcraft_1.18.2_1.0.6.jar·12 Dec 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.6 MB
    1.18.2·Forge1.0.51.0.5 · Mutationcraft_1.18.2_1.0.5.jar·17 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.6 MB
    1.19.4The latest file for its Minecraft version and loader·Forge1.0.51.0.5 · Mutationcraft_1.19.4_1.0.5.jar·16 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.5 MB
    1.19.2·Forge1.0.51.0.5 · Mutationcraft_1.19.2_1.0.5.jar·16 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.5 MB
    1.19.4·Forge1.0.41.0.4 · Mutationcraft_1.19.4_1.0.4.jar·15 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.3 MB
    1.19.2·Forge1.0.41.0.4 · Mutationcraft_1.19.2_1.0.4.jar·15 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.2 MB
    1.18.2·Forge1.0.41.0.4 · Mutationcraft_1.18.2_1.0.4.jar·15 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.3 MB
    1.19.4·Forge1.0.31.0.3 · Mutationcraft_1.19.4_1.0.3.jar·16 Aug 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.4 MB
    1.19.2·Forge1.0.31.0.3 · Mutationcraft_1.19.2_1.0.3.jar·16 Aug 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 15.9 MB
    1.18.2·Forge1.0.31.0.3 · Mutationcraft_1.18.2_1.0.3.jar·16 Aug 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 16.0 MB
    1.19.4The latest file for its Minecraft version and loader·Forge1.0.21.0.2 · Mutationcraft_1.19.4_1.0.2.jar (first file)·20 Jul 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.0 MB
    1.19.2The latest file for its Minecraft version and loader·Forge1.0.21.0.2 · Mutationcraft_1.19.2_1.0.2.jar (first file)·20 Jul 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.7 MB
    1.18.2The latest file for its Minecraft version and loader·Forge1.0.21.0.2 · Mutationcraft_1.18.2_1.0.2.jar (first file)·20 Jul 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.8 MB
    1.19.4·Forge1.0.11.0.1 · Mutationcraft_1.19.4_1.0.1.jar (first file)·18 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.8 MB
    1.19.2·Forge1.0.11.0.1 · Mutationcraft_1.19.2_1.0.1.jar (first file)·18 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.5 MB
    1.18.2·Forge1.0.11.0.1 · Mutationcraft_1.18.2_1.0.1.jar (first file)·18 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 14.6 MB
    1.19.4·Forge1.0.01.0.0 · Mutationcraft_1.19.4_1.0.0.jar (first file)·14 Jul 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.8 MB
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