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    2,059,027 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.641,484 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,688 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.

    Legends Of Slugterra

    Mod

    Explore Slugterra, befriend slugs, and battle with friends underground.

    Download

    Files come from Modrinth and CurseForge servers.

    slugterra-1.3.4-forge-1.20.1.jar

    Released 3 Feb 2026 · 70.5 MB

    Passed: our checks found nothing harmful in this file.

    Download
    D56/ 100
    Security
    Passed
    Privacy
    None found
    Runs on
    Client and server
    Loaders
    Forge
    Minecraft versions
    Minecraft 1.20.1
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.20.1
    • ModpacksIn 38
    • ReleasesLatest 3 Feb
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed

    Points lost

    • No release in 9 months−13 points
    • No source code link−7 points
    • Releases replaced within 3 days to fix a problem−5 points
    • No public issue tracker−3 points
    • Releases in only 5 of the last 24 months−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      10 points lost17 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.9 months ago (3 Feb 2026) 4 / 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 5 of the last 24 months 4 / 6

    • Stability

      5 points lost17 / 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.3 of the 29 modpacks with two or more versions removed it in a later one (10%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.4 of its 12 releases in 2 years needed a quick fix (33%) See the 4 releases2 / 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.299,086 3 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.20 months, 11 releases 3 / 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

    40 of the 71 points that apply = 56 out of 100.

    Images

    • Who will be the next Shane?
    • So may stories to be told
    • Never recorded on video
    • Waiting for the right moment
    • Flaming Hot!
    • It's past your bedtime!
    • Arachnophobia Nightmare
    • The main cavern
    • Bring your jacket
    • Such a peaceful land, but at what cost?
    • Such a calming view
    • Was somebody looking for a Sand Angler?
    • Did you hear that?
    • Complementary Reimagined Shaders Pic
    • Complementary Reimagined Shaders Pic
    • Complementary Reimagined Shaders Pic
    • Complementary Reimagined Shaders Pic
    • Complementary Reimagined Shaders Pic

    About

    Legends Of Slugterra brings the world of Slugterra into Minecraft, letting players explore its underground caverns, befriend slugs and battle with them. The dimension is over 300 blocks tall, has three layers and includes ocean biomes, with 22 named caverns such as the Wilderness, Azure Forest, Igneous, Brightworm and Arachna Caverns. Exploration includes structures such as the Portal, the Bank and Grandmaster Ruins, alongside distinctive vegetation, rivers and cavern scenery. More than 45 slugs have different uses and personalities, and their systems include taming, food cravings, trust and combat progression, abilities, and personality-driven AI. Slug equipment includes blasters and bandoliers that hold three or six capsules, while Soul Amulets can preserve a slug and Light Water can resurrect one after it dies. The mod also adds hundreds of building blocks, plants, foods and crafting materials, along with creatures including Mutated Sharks, Sheels, Dinobeasts, Earth Ogres, Wraiths and Mozzies.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 3 areas: World generationChanges 1 game code file in this area: terrain, biomes and structures made when new land is created., PlayerChanges 1 game code file in this area: your character: movement, abilities, hunger and controls. and Inventory and itemsChanges 1 game code file in this area: items, chests and other containers, crafting and enchanting..

    Adds:

    • 24 biomesAegean Spar Cavern, Antimony Cavern, Arachna Cavern, Arid Cavern, Azure Forest Cavern, Bright Cavern, Carver Initializer, Chillbore Cavern and 16 more.
    • 1 dimensionThe 99 Caverns.
    • 2 structuresPower Portal and The Bank.
    • 996 recipes
    • 77 advancements
    • 16 loot tables
    • 43 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
    BlitzCrew
    License
    MIT License
    Downloads
    300K
    Created
    1 Mar 2025
    Official pages
    Modrinth , CurseForge
    Links
    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.

    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 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
      21 of 23 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
      2,199 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 55 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
      2,570 code files read

    Compatibility

    See all 11 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
    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 only
    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.

    Related projects

    Projects that need Legends Of Slugterra to work.

    ProjectTypeDownloadsGrade
    SlugToyDMod188 downloadsSlugterra MimicDMod168 downloadsUniversal SlugDMod113 downloadsSlug PassagewayDMod40 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    1050
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 4 modpacksApr 2025: 6 modpacksMay 2025: 7 modpacksJun 2025: 4 modpacksJul 2025: 4 modpacksAug 2025: 2 modpacksSep 2025: 1 modpackOct 2025: 2 modpacksNov 2025: 5 modpacksDec 2025: 6 modpacksJan 2026: 9 modpacksFeb 2026: 7 modpacksMar 2026: 4 modpacksApr 2026: 6 modpacksMay 2026: 3 modpacksJun 2026: 1 modpackJul 2026: 2 modpacksAug 2026: 7 modpacksSep 2026: 3 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    Dec 20240
    Jan 20250
    Feb 20250
    Mar 20254
    Apr 20256
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    Jun 20254
    Jul 20254
    Aug 20252
    Sep 20251
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    Nov 20255
    Dec 20256
    Jan 20269
    Feb 20267
    Mar 20264
    Apr 20266
    May 20263
    Jun 20261
    Jul 20262
    Aug 20267
    Sep 20263

    38 modpacks include Legends Of Slugterra in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    The Slugterracraft - Legends of Slugterra59K downloadslast version with it 19 Feb 2026Legends Of Slugterra - SlugCraft6.5K downloadslast version with it 7 Aug 2026Simple Slugterra+4.7K downloadslast version with it 30 May 2026Photographic Investigators4.4K downloadslast version with it 12 Apr 2025Legends Of Slugterra Essentials2.5K downloadslast version with it 28 May 2026Slugterra Legends2.4K downloadslast version with it 16 May 2025Projet Nouveau Monde Steel Ball No Run [jojo]2.3K downloadslast version with it 4 Aug 2025Slugterra Origins Survival2.3K downloadslast version with it 8 Aug 2026Omni-Forged1.9K downloadslast version with it 19 Mar 2025DaD-Dinosaurios y Dragones1.7K downloadslast version with it 14 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    FTB Essentials (Forge & Fabric)AModin 42% of the modpacks with Legends Of SlugterraSophisticated StorageAModin 42% of the modpacks with Legends Of SlugterraFTB Chunks (NeoForge)AModin 39% of the modpacks with Legends Of SlugterraAttributeFixAModin 39% of the modpacks with Legends Of SlugterraExplorer's CompassAModin 37% of the modpacks with Legends Of SlugterraYUNG's Better End IslandAModin 37% of the modpacks with Legends Of SlugterraYUNG's Better Nether FortressesAModin 37% of the modpacks with Legends Of SlugterraEssential ModBModin 37% of the modpacks with Legends Of SlugterraMacaw's FurnitureBModin 37% of the modpacks with Legends Of SlugterraOh The Biomes We've GoneAModin 34% of the modpacks with Legends Of Slugterra
    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·Forge1.3.41.3.4 · slugterra-1.3.4-forge-1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    11 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.3.41.3.4 · slugterra-1.3.4-forge-1.20.1.jar (main file)·3 Feb 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 70.5 MB
    1.20.1·Forge1.3.31.3.3 · slugterra-1.3.3-forge-1.20.1.jar (main file)·30 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 70.5 MB
    1.20.1·Forge1.3.21.3.2 · slugterra-1.3.2-forge-1.20.1.jar (main file)·28 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 70.5 MB
    1.20.1·Forge1.3.11.3.1 · slugterra-1.3.1-forge-1.20.1.jar (main file)·22 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 69.5 MB
    1.20.1·Forge1.3.01.3.0 · slugterra-1.3.0-forge-1.20.1.jar (main file)·21 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 69.5 MB
    1.20.1·Forge1.2.1.11.2.1.1 · legends_of_slugterra-1.2.1.1-forge-1.20.1.jar (main file)·17 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 67.4 MB
    1.20.1·Forge1.2.11.2.1 · legends_of_slugterra-1.2.1-forge-1.20.1.jar (main file)·16 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 67.4 MB
    1.20.1·Forge1.2.01.2.0 · legends_of_slugterra-1.2.0-forge-1.20.1.jar (main file)·7 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 67.3 MB
    1.20.1·Forge1.1.11.1.1 · legends_of_slugterra-1.1.1-1.20.1.jar (main file)·11 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 29.8 MB
    1.20.1·Forge1.1.01.1.0 · legends_of_slugterra-1.1.0-1.20.1.jar (main file)·11 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 29.8 MB
    1.20.1·Forge1.0.01.0.0 · legends_of_slugterra-1.0.0-1.20.1.jar (main file)·1 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.0 MB

    Quick fixes

    In the last 2 years, 4 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 5 points.

    See them, newest first
    • slugterra-1.3.3-forge-1.20.1.jar30 Jan 2026Fixes ♦Fixed Flopper variant crash…
    • slugterra-1.3.1-forge-1.20.1.jar22 Dec 2025… • getslugvariant Bug Fixes ♦ Fixed Forgesmelter crash &diams…
    • (Hotfix)legends_of_slugterra-1.2.1.1-forge-1.20.1.jar17 May 2025♦ Fixed wrong sand angler velocimorph texture, ♦ Fixed…
    • legends_of_slugterra-1.1.1-1.20.1.jar11 Mar 2025…effect tweaked ♦ Pieper trail fixed ♦ Tazerling transformation sound fixed &diams…