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

    ImmersiveThunder: Legacy

    Mod

    Thunder sounds grow louder and more intense near lightning strikes.

    C78/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.4
    • ModpacksIn 62
    • ReleasesLatest 11 May

    Download

    immersivethunder-forge-1.20.1-1.3.0.jar

    Released 14 Apr 2026 · 3.2 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code

    Points lost

    • Releases in only 2 of the last 24 months−5 points
    • First release only 6 months ago−5 points
    • No release in 5 months−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      8 points lost19 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.5 months ago (11 May 2026) 9 / 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.1.20.4 on Forge. 15% or more of the popular 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 1 / 6

    • Stability

      Full points15 / 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.2 of the 45 modpacks with two or more versions removed it in a later one (4%) 10 / 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 points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · sownathlete/ImmersiveThunder-1.7.10 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. CurseForge links are not in our data.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.99,986 3 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.6 months, 4 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
    Total78 / 100

    47.3 of the 61 points that apply = 78 out of 100. The points above are rounded to whole numbers.

    About

    ImmersiveThunder: Legacy makes thunderstorms more responsive to a player’s position by changing thunder sounds according to their distance from a lightning strike. Nearby strikes sound louder and more intense, while distant thunder is softer and arrives with a slight delay.

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

    In-game changes

    Changes the game's code in 1 area: Mobs and their behaviorChanges 1 game code file in this area: mobs, animals, villagers, projectiles and how they move and act..

    Adds 3 sounds: Thunder Close, Thunder Far and Thunder Medium.

    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
    Complementary Shaders - UnboundAPresence Footsteps (Forge)ASodium Dynamic LightsCsparkASinytra ConnectorA

    Details

    Creator
    Sown
    License
    Not known
    Downloads
    100K
    Created
    14 Apr 2026
    Official page
    CurseForge
    Links
    Source code

    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 · All 4 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.
      4 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
    • 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

    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 · 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.
      Not on Modrinth.
    • 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
      8 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
      1 image 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
      17 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
      8 code files read

    Compatibility

    See all 4 files
    Forge
    1.71.101.151.1926.1

    Point at or tap a version to see its loaders.

    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 1.20.4. It has no file for the 2 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 released a new version with this project, each month
    30150
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 0 modpacksApr 2025: 0 modpacksMay 2025: 0 modpacksJun 2025: 0 modpacksJul 2025: 0 modpacksAug 2025: 0 modpacksSep 2025: 0 modpacksOct 2025: 0 modpacksNov 2025: 0 modpacksDec 2025: 0 modpacksJan 2026: 0 modpacksFeb 2026: 0 modpacksMar 2026: 0 modpacksApr 2026: 2 modpacksMay 2026: 6 modpacksJun 2026: 12 modpacksJul 2026: 18 modpacksAug 2026: 23 modpacksSep 2026: 19 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    May 20266
    Jun 202612
    Jul 202618
    Aug 202623
    Sep 202619

    More modpacks put it in their new versions than a year ago: 13 a month now, 0 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    62 modpacks include ImmersiveThunder: Legacy in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Star Wars: The Empire Strikes Block45K downloadslast version with it 18 May 2026Medieval Europe Adventures42K downloadslast version with it 17 Oct 2026FISK_MODERN (Fisk's Superheroes)15K downloadslast version with it 19 Oct 2026FISK_ADVANCED (Fisk's Superheroes and NTM Space Mod)11K downloadslast version with it 19 Oct 2026Horrors From Shadows8.1K downloadslast version with it 21 Aug 2026FISK_CUBED (Fisk's Superheroes)4.5K downloadslast version with it 28 Sep 2026Dying of the Light4.4K downloadslast version with it 5 Oct 2026Hephaistos - The Colony Must Grow 3K downloadslast version with it 20 Sep 2026GATE Guns & Magic2.9K downloadslast version with it 11 Aug 2026FISK_RPG (Fisk's Superheroes)2.8K downloadslast version with it 28 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Complementary Shaders - UnboundAShaderin 61% of the modpacks with ImmersiveThunder: LegacyPresence Footsteps (Forge)AModin 56% of the modpacks with ImmersiveThunder: LegacySodium Dynamic LightsCModin 56% of the modpacks with ImmersiveThunder: LegacysparkAModin 52% of the modpacks with ImmersiveThunder: LegacySinytra ConnectorAModin 48% of the modpacks with ImmersiveThunder: LegacyAI Improvements: Performance TuningAModin 48% of the modpacks with ImmersiveThunder: LegacyAllTheLeaks (Memory Leak Fix)AModin 47% of the modpacks with ImmersiveThunder: LegacyFresh AnimationsAResource packin 47% of the modpacks with ImmersiveThunder: LegacyAmendmentsAModin 45% of the modpacks with ImmersiveThunder: LegacyMowzie's MobsBModin 45% of the modpacks with ImmersiveThunder: Legacy
    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 to 1.20.4·Forge1.3.01.3.0 · immersivethunder-forge-1.20.1-1.3.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.16.5·Forge1.3.01.3.0 · immersivethunder-forge-1.16.5-1.3.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.12.2·Forge1.3.01.3.0 · immersivethunder-forge-1.12.2-1.3.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.7.10·Forge1.3.01.3.0 · immersivethunder-forge-1.7.10-1.3.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    4 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.16.5The latest file for its Minecraft version and loader·Forge1.3.01.3.0 · immersivethunder-forge-1.16.5-1.3.0.jar·11 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 3.3 MB
    1.12.2The latest file for its Minecraft version and loader·Forge1.3.01.3.0 · immersivethunder-forge-1.12.2-1.3.0.jar·11 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 3.3 MB
    1.7.10The latest file for its Minecraft version and loader·Forge1.3.01.3.0 · immersivethunder-forge-1.7.10-1.3.0.jar·14 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 3.3 MB
    1.20.1 to 1.20.41.20.1 to 1.20.4The latest file for its Minecraft version and loader·Forge1.3.01.3.0 · immersivethunder-forge-1.20.1-1.3.0.jar·14 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 3.2 MB