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    2,055,424 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 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Minecraft Calamity

    Mod

    Fight Terraria-inspired bosses and find new gear in your world.

    -Not graded
    Security
    Passed
    Privacy
    Not read yet
    Runs on
    Client and server
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.20.6
    • Overview-
    • SecurityPassed
    • PrivacyNot read yet
    • AINone found
    • CompatibilityUp to 1.20.6
    • ModpacksIn 4
    • ReleasesLatest May 2025

    Download

    RE_Calamity - v-0.0.3 [Neoforge, 1.20.6].jar

    Released 20 May 2025 · 139.8 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why no grade

    How grades work

    Finished or replaced projects get no grade: they will not get fixes or new versions.

    • The project page: THIS MOD IS DISCONTINUED
    All 11 criteria
    • Maintenance

      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.17 months ago (20 May 2025)
      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.1.20.6 on NeoForge, 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.
      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
    • Stability

      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.2 of the 4 modpacks with two or more versions removed it in a later one (50%)
      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
    • Transparency

      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems
    • Popularity

      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.21,808
    • Track record

      AgeHow long the project has existed. It counts less when no new file came out recently.3.2 years, 36 releases
    • 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

    Images

    • Minecraft Calamity Logo
    • Minecraft Menu Screen
    • Brimstone Elemental
    • The Space Bio-Center Lab
    • Entrance of the Space Bio-Center Lab
    • Space Bio-Center Lab's Main
    • Space Bio-Center Lab's Bottom
    • The Corruption
    • A floating island
    • Floating Island Variation 2

    About

    Minecraft Calamity brings content and systems from Terraria’s Calamity Mod, along with elements of Terraria itself, into Minecraft for players seeking a new, challenging adventure. Its adventure centers on exploring biomes and structures, gathering equipment, and progressing toward demanding boss fights, with bosses such as King Slime, Eye of Cthulhu, the Perforators, Slime God, and Cryogen. Bosses use distinct attack patterns and hazards: King Slime summons smaller slimes and a laser-firing Crown Jewel, Eye of Cthulhu escalates from short dashes to a chain of faster charges, and Cryogen attacks with freezing ice blasts and explosive ice bombs. The Perforator Hive rains ichor shots and blood geysers and creates lingering ichor hazards, while Slime God’s Crimulan and Ebonian forms launch glob attacks that inflict debuffs. Equipment includes Curios accessories that can improve damage, health, magic, or defense, as well as provide movement, shields, and other effects; examples include the Counter Scarf’s damage-avoiding dash, Rover Drive’s recharging shield, and the Slimy Saddle mount. The world includes floating islands and planetoids, plus the Space Bio-Center Lab, a sky structure with security chests, containment boxes, turrets, and Wulfrum enemies; gallery examples also show the Corruption and Brimstone Crags. In Revengeance mode, Adrenaline builds while a boss is present and can be spent for a damage boost, while Rage builds near hostile creatures and can be combined with Adrenaline for a stronger burst.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 114 blocks, 426 items, 73 entities, 15 biomes, 3 dimensions, 5 structures, 151 recipes, 24 advancements, 8 loot tables, 131 sounds and 11 key bindings.

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

    Replaces 7 of vanilla Minecraft's interface textures and 1 text file.

    Details

    Creator
    wSalmon
    License
    All rights reserved
    Downloads
    22K
    Created
    20 Aug 2023
    Official pages
    Modrinth , CurseForge
    Links
    Discord

    Security

    No harmful code found

    We checked its files without running 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 · 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.
      3 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.
      Not read yet
    • 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 have not read its code yet

    The file checks found no code that connects to the internet.

    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 · Code not read yet
    • 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.
      None yet. 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
      1 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
      875 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 82 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
      3,000 code files read

    Compatibility

    See all 36 files
    NeoForge
    Forge
    1.191.2126.1

    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.Its newest file is for 1.20.6. 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 Minecraft Calamity in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Photographic Investigators4.4K downloadslast version with it 30 Apr 2025Gears of the Void334 downloadslast version with it 1 Aug 2025Creator SMP290 downloadslast version with it 5 Jan 2025Faeheim217 downloadslast version with it 12 Jul 2024

    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·Forge1.20.1,-v3.3.21.20.1,-v3.3.2 · Terraria Calamity Mod (FORGE, 1.20.1, v3.3.2).jarSends: Not read yetRequires:NothingPassedOur checks found nothing harmful in this file.
    Older Minecraft versions
    1.20.6·NeoForge0.0.30.0.3 · RE_Calamity - v-0.0.3 [Neoforge, 1.20.6].jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.4·Forge1.19.4,-v3.3.11.19.4,-v3.3.1 · Minecraft Calamity (FORGE, 1.19.4, v3.3.1).jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.

    36 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.6The latest file for its Minecraft version and loader·NeoForge0.0.30.0.3 · RE_Calamity - v-0.0.3 [Neoforge, 1.20.6].jar (main file)·20 May 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 139.8 MB
    1.20.6·NeoForge0.0.20.0.2 · RE_Calamity - v-0.0.2 [Neoforge, 1.20.6, RELEASE].jar (main file)·30 Dec 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 132.2 MB
    1.20.6·NeoForge0.0.10.0.1 · RE-Calamity - v-.0.1 [Neoforge, 1.20.6, ALPHA].jar (main file)Alpha·6 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 131.5 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.20.1,-v3.3.21.20.1,-v3.3.2 · Terraria Calamity Mod (FORGE, 1.20.1, v3.3.2).jar (first file)Alpha·13 May 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 223.8 MB
    1.19.4The latest file for its Minecraft version and loader·Forge1.19.4,-v3.3.11.19.4,-v3.3.1 · Minecraft Calamity (FORGE, 1.19.4, v3.3.1).jar (first file)·1 Feb 2024Not checkedWe have not checked this file yet.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 223.3 MB
    1.19.4·Forge1.19.4,-v3.3.01.19.4,-v3.3.0 · Minecraft Calamity (FORGE, 1.19.4, v3.3.0).jar (first file)·29 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 219.9 MB
    1.19.4·Forge1.19.4,-v3.2.91.19.4,-v3.2.9 · Minecraft Calamity (FORGE, 1.19.4, v3.2.9).jar (first file)·28 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 215.0 MB
    1.19.4·Forge1.19.4,-v3.2.81.19.4,-v3.2.8 · Calamity Mod (FORGE, 1.19.4, v3.2.8).jar (first file)·24 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 205.6 MB
    1.19.4·Forge1.19.4,-v3.2.71.19.4,-v3.2.7 · Calamity Mod (FORGE, 1.19.4, v3.2.7).jar (first file)·21 Jan 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 166.9 MB
    1.19.4·Forge1.19.4,-v3.2.61.19.4,-v3.2.6 · Calamity Mod (FORGE, 1.19.4, v3.2.6).jar (first file)·18 Jan 2024Not checkedWe have not checked this file yet.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 166.6 MB
    1.19.4·Forge1.19.4,-v3.2.5-FIX1.19.4,-v3.2.5-FIX · Calamity Mod (FORGE, 1.19.4, v3.2.5 FIX).jar (first file)·13 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 158.9 MB
    1.19.4·Forge1.19.4,-v3.2.51.19.4,-v3.2.5 · Calamity+Mod+(FORGE,+1.19.4,+v3.2.5).jar (first file)·5 Jan 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 158.7 MB
    1.19.4·Forge1.19.4,-v3.2.41.19.4,-v3.2.4 · Calamity Mod (FORGE, 1.19.4, v3.2.4).jar·30 Dec 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 158.4 MB
    1.19.4·Forge1.19.4,-v3.2.31.19.4,-v3.2.3 · Calamity Mod (FORGE, 1.19.4, v3.2.3).jar·28 Dec 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 158.3 MB
    1.19.4·Forge1.19.4,-v3.2.21.19.4,-v3.2.2 · Calamity Mod (FORGE, 1.19.4, v3.2.2).jar·28 Dec 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 145.4 MB
    1.19.4·Forge3.2.13.2.1 · Calamity Mod (Release, 1.19.4 v3.2.1).jar·27 Dec 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 143.3 MB
    1.19.4·Forge3.2.03.2.0 · Calamity Mod (Release, 1.19.4 3.2.0).jar·16 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 143.2 MB
    1.19.4·Forge3.1.73.1.7 · Calamity Mod (Release, 1.19.4 v3.1.7).jar·30 Oct 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 129.3 MB
    1.19.4·Forge3.1.33.1.3 · Calamity Mod (Release, 1.19.4 v3.1.3).jar·29 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 129.3 MB
    1.19.4·Forge3.0.33.0.3 · Calamity Mod (Release, 1.19.4 v3.0.3).jar·26 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 129.1 MB
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