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    2,054,198 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 2026.269,438 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.

    Nexus Infection

    Mod

    A spreading infection corrupts the land and turns creatures hostile.

    B84/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 7
    • ReleasesLatest 9 Oct

    Download

    nexus_infection-1.6.4-neoforge-1.21.1.jar

    Released 9 Oct 2026 · 8.3 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases
    • Around for years

    Points lost

    • No source code link−7 points
    • No public issue tracker−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.2 weeks ago (9 Oct 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 9 of the last 24 months 6 / 6

    • Stability

      Full points22 / 22
      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.1 of the 6 modpacks with two or more versions removed it in a later one (17%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 18 releases in 2 years needed a quick fix (6%) 7 / 7
      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

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 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

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.16,171 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4.6 years, 45 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
    Total84 / 100

    59.5 of the 71 points that apply = 84 out of 100. The points above are rounded to whole numbers.

    Images

    • Haremare
    • Haremare recipes
    • Nexadar Boss
    • Humanoid Boss
    • Nexus Infection Spread
    • Infected Mobs
    • Infected Outpost
    • Nexium Hexa
    • Blaster Crossbow
    • Blaster
    • Nexus Blob
    • Nexadar
    • Nexadar Humanoid
    • Jasper Hive
    • Upgrade Amulet
    • Killer Bunny
    • Wounded
    • Wolferus
    • Charger Beast
    • Inflated

    About

    Nexus Infection turns the Overworld into a spreading hostile ecosystem, beginning with Visitors that may appear at night after you place a bed and summon Infectors, which can create Nexus Tumors. Living Tumors corrupt terrain into Dead Nexus, where Red Cacti, Nexus Roots, Mind Saplings and Nexus Meat can grow; nearby infected areas bring red fog, and Mind Saplings mature into large Mind Trees. As the infection develops, Tumors can leave underground Nexus Hives, after which Dead Nexus spreads into Coarse and produces features such as Coarse Spikes, Radiant Mushrooms, Nexus Acid and Nericin Tentacles. The infection also creates a wide range of hostile creatures, including fast Wreckeds, night-hunting Haremares, infected animals such as Hogs and Ramuses, and special threats such as Blasters, Acid Stalkers and Heartlens. Exploration can lead to Overgrown Castles in savannas and swamps, where a suspicious villager encounter triggers the Deceiver boss, and Infected Outposts in village biomes, guarded by Blasters and stocked with ranged Blaster Crossbows. Hives provide materials and encounters of their own: Grand Hives contain a Hive Root that can be used to summon the Torment Root, while Heartlens and Nexium Cores also appear in the hive variants. The Deceiver can be beaten by breaking nearby Nexus Blobs, while the infection’s central boss sequence pits players against a Humanoid Nexadar that transforms into the larger Nexadar; the latter’s defeat shuts down the infection’s spawning and terrain spread. Players can craft tools to manage or exploit the outbreak, including a redstone-activated Visceral Cleaner that slowly removes infected terrain, a Nexus Alarm that detects nearby infected mobs, Nexium Marks that suppress local spread, and Nexium Hexas for infecting mobs. The Nexus Amulet supports several interactions with infected creatures and blocks, and a Reborn Blob can reactivate the infection after it has been shut down.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 211 blocks, 73 items, 32 mobs, 7 other entities, 3 biomes, 5 structures, 1 painting, 124 recipes, 13 advancements, 25 loot tables and 102 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.

    Details

    Creator
    mrsculk222
    License
    All rights reserved
    Downloads
    16K
    Created
    13 Mar 2022
    Official pages
    Modrinth , CurseForge

    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. Only in its files for Forge 1.20.1.

    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 · All 5 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.
      5 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 and sounds 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 · 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.
    • 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
      288 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 248 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
      847 code files read

    Compatibility

    See all 45 files
    NeoForge
    Forge
    1.171.201.2126.1

    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.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 1.21.1. Many recently updated mods still support 1.21.1.

    Modpacks using this project

    Find modpacks with it

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

    ModpackDownloadsLast version with it
    Level Survival766 downloadslast version with it 1 Oct 2026Reino de Celeste618 downloadslast version with it 18 Jan 2026RedSauce209 downloadslast version with it 8 Aug 2026Rlexcraft157 downloadslast version with it 16 Oct 2026All of Mcreator 6 - AOMC6147 downloadslast version with it 3 Oct 2025Crevorn Last Survivor73 downloadslast version with it 14 Jul 2026Create Aeronautics & Nexus42 downloadslast version with it 7 Oct 2026

    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·NeoForge1.6.41.6.4 · nexus_infection-1.6.4-neoforge-1.21.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.6.41.6.4 · nexus_infection-1.6.4-forge-1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Forge1.11.1 · Nexus_Crusade_1.1_1.19.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.11.1 · Nexus_Crusade_1.1_1.18.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.17.1·Forge4.0-The-Otherworldly-Update4.0-The-Otherworldly-Update · diognitemod_4.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    45 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.6.41.6.4 · nexus_infection-1.6.4-forge-1.20.1.jar (main file)·9 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.6.41.6.4 · nexus_infection-1.6.4-neoforge-1.21.1.jar (main file)·9 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.3 MB
    1.20.1·Forge1.6.31.6.3 · nexus_infection-1.6.3-forge-1.20.1.jar (main file)·1 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.8 MB
    1.21.1·NeoForge1.6.31.6.3 · nexus_infection-1.6.3-neoforge-1.21.1.jar (main file)·1 Aug 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.7 MB
    1.21.1·NeoForge1.6.21.6.2 · nexus_infection-1.6.2-neoforge-1.21.1.jar·22 Jul 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.20.1·Forge1.6.11.6.1 · nexus_infection-1.6.1-forge-1.20.1.jar·18 Jul 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 7.6 MB
    1.21.1·NeoForge1.6.11.6.1 · nexus_infection-1.6.1-neoforge-1.21.1.jar·18 Jul 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 7.5 MB
    1.20.1·Forge1.61.6 · nexus_infection-1.6-forge-1.20.1.jar·15 Jul 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 7.6 MB
    1.20.1·Forge1.51.5 · nexus_infection-1.5-forge-1.20.1.jar·5 Jul 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 6.8 MB
    1.20.1·Forge1.4.11.4.1 · nexus_infection-1.4.1-forge-1.20.1.jar·25 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 6.1 MB
    1.21.1·NeoForge1.4.11.4.1 · nexus_infection-1.4.1-neoforge-1.21.1.jar·25 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 6.0 MB
    1.20.1·Forge1.3.21.3.2 · nexus_infection-1.3.2-forge-1.20.1.jar·8 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.8 MB
    1.21.1·NeoForge1.3.21.3.2 · nexus_infection-1.3.2-neoforge-1.21.1.jar·7 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.8 MB
    1.20.1·Forge1.3.11.3.1 · nexus_infection-1.3.1-forge-1.20.1.jar·7 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.8 MB
    1.20.1·Forge1.31.3 · nexus_infection-1.3-forge-1.20.1.jar·6 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.8 MB
    1.21.1·NeoForge1.31.3 · nexus_infection-1.3-neoforge-1.21.1.jar·6 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.8 MB
    1.20.1·Forge1.21.2 · nexus_infection-1.2-forge-1.20.1.jar·2 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.8 MB
    1.21.1·NeoForge1.21.2 · nexus_infection-1.2-neoforge-1.21.1.jar·2 May 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.7 MB
    1.21.1·NeoForge1.1.11.1.1 · nexus_infection-1.1.1-neoforge-1.21.1.jar·15 Apr 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 4.8 MB
    1.20.1·Forge1.11.1 · nexus_infection-1.1-forge-1.20.1.jar·14 Apr 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 4.9 MB
    1 to 20 of 45123

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • Nexus_Infection_1.3.2_Forge8 May 2026