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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.

    Zombie Infection

    Mod

    Zombies turn you into one instead of killing you.

    D56/ 100
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.20.1
    • ModpacksIn 23
    • ReleasesLatest Jun 2025

    Download

    zombie_infection-1.0.3-forge-1.20.1.jar

    Released 24 Jun 2025 · 53.0 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker

    Points lost

    • No release in 16 months−20 points
    • Releases in only 2 of the last 24 months−4 points
    • Some modpacks removed it−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      16 points lost11 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.16 months ago (5 Jul 2025) 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.1.20.1 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.Releases in 2 of the last 24 months 2 / 6

    • Stability

      3 points lost12 / 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.3 of the 17 modpacks with two or more versions removed it in a later one (18%) See the 3 modpacks7 / 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 · Spiderman31807/Zombie-Infection 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Spiderman31807/Zombie-Infection 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.46,592 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.0 years, 2 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
    Total56 / 100

    35.8 of the 64 points that apply = 56 out of 100. The points above are rounded to whole numbers.

    Images

    • Infected Player (Underground)
    • Infected Player (Daylight)

    About

    Zombie Infection turns a killing blow from a zombie into an infection, transforming the player into the corresponding zombie type: ordinary and villager zombies produce a normal zombie, while husks and drowned produce their own types. Infected players take on a zombie appearance, including their first-person hand, move slowly, and are ignored by zombies; they can also infect other players by killing them. In daylight, infected players burn unless they wear a helmet, except for husks, and submerging them in water changes their type along the husk-to-normal-to-drowned path. Their food behavior is reversed: rotten flesh is nourishing without causing hunger, while raw and cooked foods have their effects swapped. A golden apple can cure the infection when the player has the Weakness effect, as with curing a zombie villager.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 3 areas: PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls., Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting. and Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act..

    Adds no new blocks, items or other content.

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

    Often used with it

    See all 30
    Zombie AwarenessC[TaCZ] Timeless and Classics ZeroAEssential ModBThe Lost CitiesAHorror Element ModB

    Details

    Creator
    spiderman31807
    License
    GNU General Public License v3.0 or later
    Downloads
    47K
    Created
    9 Oct 2024
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki

    Security

    No harmful code found

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

    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 · The latest file 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.
      1 latest file, 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 and images 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 · 5 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 5 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
      2 images 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
      25 code files read

    Compatibility

    See all 2 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.Nothing
    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.It has no file for Minecraft versions newer than 1.20.1. Many recently updated mods still support 1.20.1.

    Modpacks using this project

    Find modpacks with it

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

    ModpackDownloadsLast version with it
    ZombieCraft: Zombie Apocalypse745K downloadslast version with it 6 Mar 2025APOC - A Modern Zombie Apocalypse Experience8.7K downloadslast version with it 11 Feb 2026Photographic Investigators4.4K downloadslast version with it 26 Apr 2025Hardcore Zombie Apocalypse with Gun4.1K downloadslast version with it 17 May 2026Bombies! (The ultimate zombie experience)4.1K downloadslast version with it 26 May 2025craft4dead3.1K downloadslast version with it 19 Jul 2025The Scary Mods1.9K downloadslast version with it 20 Mar 2026Zombie's and More Zombie's1.2K downloadslast version with it 17 Jul 2026Biohazard Project Vanguard1.1K downloadslast version with it 9 Jul 2026Zombies+1.1K downloadslast version with it 10 Sep 2025
    1 to 10 of 23123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Zombie AwarenessCModin 61% of the modpacks with Zombie Infection[TaCZ] Timeless and Classics ZeroAModin 61% of the modpacks with Zombie InfectionEssential ModBModin 61% of the modpacks with Zombie InfectionThe Lost CitiesAModin 57% of the modpacks with Zombie InfectionHorror Element ModBModin 52% of the modpacks with Zombie InfectionSodium Dynamic LightsCModin 52% of the modpacks with Zombie InfectionImmersive Weathering [FORGE]CModin 43% of the modpacks with Zombie InfectionCreate DecoBModin 43% of the modpacks with Zombie InfectionSerene SeasonsAModin 43% of the modpacks with Zombie InfectionNo Baby ZombiesCModin 39% of the modpacks with Zombie Infection
    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·Forge1.0.31.0.3 · zombie_infection-1.0.3-forge-1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    2 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.0.31.0.3 · zombie_infection-1.0.3-forge-1.20.1.jar (main file)·24 Jun 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 53.0 KB
    1.20.1·Forge1.0.11.0.1 · zombie_mode-1.0.1-forge-1.20.1.jar (first file)·10 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 49.8 KB