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    2,054,849 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 2026.269,417 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.

    Rotted

    Mod

    Adds new zombies and changes how existing zombies behave.

    E44/ 100
    • OverviewE
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.2
    • ModpacksIn 29
    • ReleasesLatest Nov 2023

    Download

    Rotted_1.20.2_1.0.3.jar

    Released 7 Oct 2023 · 530.4 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • GeckolibAMinecraft 1.20.2 · Forge (release 4.3.1)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker

    Points lost

    • No release in 2.9 years−26 points
    • Many modpacks removed it−9 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      18 points lost9 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.2.9 years ago (15 Nov 2023) 0 / 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.1.20.2 on Forge. 77% of the 516 popular Forge mods updated in the last 6 months also have files for 1.20.1. 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.No release in the last 24 months 0 / 6

    • Stability

      9 points lost6 / 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.9 of the 24 modpacks with two or more versions removed it in a later one (38%) See the 9 modpacks1 / 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

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · TheASEStefan/RottedZombieMod 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · TheASEStefan/RottedZombieMod 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.257,301 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.1 years, 7 releases 0 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total44 / 100

    28 of the 64 points that apply = 44 out of 100.

    Images

    • logo
    • Marine Zombie
    • Doctor Zombie
    • Farmer Zombie
    • Miner Zombie
    • Adventurer Zombie
    • Flusk Zombie
    • Shielder Zombie

    About

    Rotted expands and reworks Minecraft’s zombie encounters with custom zombie types, loot, and more coordinated behavior: zombies can travel in groups, leap at targets, and alert nearby allies when one is attacked, while the mod’s zombies are more vulnerable to fire. Its roster includes the water-luring Marine Zombie, the potion-throwing Doctor Zombie, Farmer and Miner Zombies with gear-linked loot, a gliding Flusk Zombie that can grab and drop enemies, and a Shielder that can charge to protect its group. The Contagion effect can turn a player or villager who dies while infected into a zombified counterpart; a player’s counterpart can retain their name, weapon, and some armor, while the Adventurer Zombie may take their gear. Rotted zombies can also break many blocks, a configurable behavior that gives them another way to pressure players and alter the environment. Configuration lets players adjust zombie health and damage, with entity settings and some loot behavior also configurable.

    Written from Modrinth , CurseForge and the GitHub README . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 10 items, 7 mobs, 1 recipe and 5 sounds.

    Counted from the names and data files in the mod, so the list may not be complete.

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

    Often used with it

    See all 30
    Zombie AwarenessCThe Lost CitiesAEnhancedVisualsAMutant MonstersAFresh AnimationsA

    Details

    Creator
    TheASEStefan
    License
    MIT License
    Downloads
    257K
    Created
    18 Sep 2023
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    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. 2 files in your config folder.

    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 16 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.
      2 latest files: the newest file for each Minecraft version and loader. The answer above is about the one for a recent version. 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 · Its one file 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 its one file, 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 so far that AI was used to make it

    We looked for AI tools in its texts, files, images and sounds and found none.

    We have not read its code history yet.

    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 · 6 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.
      Not read yet
    • 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
      3 of 17 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
      12 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
      15 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
      81 code files read

    Compatibility

    See all 7 files
    Forge
    1.201.2126.126.3

    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
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Its newest file is for 1.20.2. It has no file for the 6 newer Minecraft versions. It also supports 1.20.1, a version many recently updated mods still support.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Rotted in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Colonies And Technologies20K downloadslast version with it 14 Mar 2024InteritusCraft7.8K downloadslast version with it 11 Mar 2026Hypno's Infection Pack4.7K downloadslast version with it 22 Mar 2024craft4dead3.1K downloadslast version with it 19 Jul 2025Atlas:Legacy3K downloadslast version with it 26 Dec 2023THE FLESH THAT GROWS2.6K downloadslast version with it 14 Oct 2024Age of Horror2.1K downloadslast version with it 1 Apr 2024Nullified: Reborn1.9K downloadslast version with it 18 Jul 2024SurviveRoR1.5K downloadslast version with it 8 Feb 2024Fear the Rise of The Undead1.3K downloadslast version with it 30 Sep 2023
    1 to 10 of 29123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Zombie AwarenessCModin 52% of the modpacks with RottedThe Lost CitiesAModin 48% of the modpacks with RottedEnhancedVisualsAModin 48% of the modpacks with RottedMutant MonstersAModin 45% of the modpacks with RottedFresh AnimationsAResource packin 45% of the modpacks with RottedComplementary Shaders - UnboundAShaderin 45% of the modpacks with RottedImmersive Weathering [FORGE]CModin 41% of the modpacks with Rotted[TaCZ] Timeless and Classics ZeroAModin 41% of the modpacks with RottedYUNG's Better Nether FortressesAModin 41% of the modpacks with RottedSerene SeasonsAModin 41% of the modpacks with Rotted
    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
    1.20.1·Forge1.0.51.0.5 · Rotted_1.20.1_1.0.5.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20.2·Forge1.0.31.0.3 · Rotted_1.20.2_1.0.3.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.

    7 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.0.51.0.5 · Rotted_1.20.1_1.0.5.jar (main file)·15 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 612.9 KB
    1.20.1·Forge1.0.41.0.4 · Rotted_1.20.1_1.0.4.jar (main file)·11 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 612.8 KB
    1.20.2The latest file for its Minecraft version and loader·Forge1.0.31.0.3 · Rotted_1.20.2_1.0.3.jar (main file)·7 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 530.4 KB
    1.20.1·Forge1.0.31.0.3 · Rotted_1.20.1_1.0.3.jar (main file)·7 Oct 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 530.2 KB
    1.20.2·Forge1.0.21.0.2 · Rotted_1.20.2_1.0.2.jar (main file)·30 Sep 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 455.1 KB
    1.20.1·Forge1.0.21.0.2 · Rotted_1.20.1_1.0.2.jar (main file)·30 Sep 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 455.1 KB
    1.20.1·Forge1.0.11.0.1 · Rotted_1.20.1_1.0.1.jar (main file)·24 Sep 2023PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 816.0 KB