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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.

    Cave Expansion Mod

    Mod

    Adds tons of new structures below the surface.

    E25/ 100
    • OverviewE
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.12.2
    • ModpacksIn 122
    • ReleasesLatest Oct 2019

    Download

    CaveExpansionV1.5.jar

    Released 23 Oct 2019 · 338.0 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade E

    How grades work

    Strengths

    • Security checks passed

    Points lost

    • No release in 7 years−26 points
    • Newest file is for 1.12.2, older than the versions mods are made for now−9 points
    • No source code link−7 points
    • Some modpacks removed it−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      27 points lost0 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.7 years ago (23 Oct 2019) 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.1.12.2 on Forge. About 9 years behind popular modding versions. Latest Minecraft: 26.3. Abandoned: no release for 7 years; no file for a popular modding version.0 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.No release in the last 24 months 0 / 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.15 of the 80 modpacks with two or more versions removed it in a later one (19%) See the 15 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

      7 points lost0 / 7
      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.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.129,663 3 / 4

    • Track record

      8 points lost0 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7.0 years, 6 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. See Security
    Total25 / 100

    15.2 of the 61 points that apply = 25 out of 100. The points above are rounded to whole numbers.

    About

    Cave Expansion diversifies the underground with more than a hundred handmade structures that generate randomly, including tunnels, empty rooms, dungeons, and traps. Some structures are tied to biomes: deserts can have sandstone dungeons, pyramids, and tombs underground, while jungles can contain mossy structures and poisonous tripwire traps. Exploring these areas can uncover clay and stone pots and treasure chests, which drop useful supplies such as torches, food, and arrows, or more valuable loot such as diamonds, iron ingots, tools, and armor. Some structures include explosive elements, and the structure-generation frequency can be adjusted for newly generated chunks in a world. The mod adds no custom items and is described as vanilla-friendly, making it suitable for use in modpacks.

    Written from CurseForge . How we write it

    In-game changes

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12 to 1.12.2.

    Adds 5 blocks: Big Clay Pot, Big Stone Pot, Iron Treasure, Golden Treasure and Diamond Treasure.

    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
    BetterFpsCYUNG's Better CavesAInventory Tweaks [1.12 only]-ChiselCIce and FireC

    Details

    Creator
    candaush
    License
    Not known
    Downloads
    130K
    Created
    20 Oct 2019
    Official page
    CurseForge

    Security

    No harmful code found

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12 to 1.12.2.

    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. It is not for a recent Minecraft version, so the answer above is about it. 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

    It has no file for a recent Minecraft version. This is about its files for Minecraft 1.12 to 1.12.2.

    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 Minecraft 1.12 to 1.12.2. See each file in Releases

    AI

    No sign that AI was used to make it

    We looked for AI tools in its texts, files and images 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 · 4 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.
    • 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
      2 of 12 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
      10 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
      45 code files read

    Compatibility

    See all 6 files
    Forge
    1.121.151.171.2026.1

    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.No file yet for any of the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it

    122 modpacks include Cave Expansion Mod in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Ancient Greek23K downloadslast version with it 7 Jun 2021Mud Flaps Ancient Greece20K downloadslast version with it 26 May 2021MudFlaps Ancient Rome10K downloadslast version with it 22 Jun 2021The Divine Dimensions 6.7K downloadslast version with it 30 Jun 2020Primal Craft!6.3K downloadslast version with it 9 Jul 2023Wizardus5.1K downloadslast version with it 8 May 2022Timelord's Promise - Classic4.7K downloadslast version with it 28 Aug 2020Lost4.5K downloadslast version with it 13 May 2020WARMINES3.3K downloadslast version with it 1 Apr 2020DinoPark Builder2.3K downloadslast version with it 25 Apr 2022
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Cave Expansion Mod. Share: how many of the modpacks with Cave Expansion Mod also have that mod.

    ProjectTypeShareGrade
    BetterFpsCModin 62% of the modpacks with Cave Expansion ModYUNG's Better CavesAModin 60% of the modpacks with Cave Expansion ModInventory Tweaks [1.12 only]-Modin 57% of the modpacks with Cave Expansion ModChiselCModin 54% of the modpacks with Cave Expansion ModIce and FireCModin 53% of the modpacks with Cave Expansion ModRoguelike DungeonsAModin 51% of the modpacks with Cave Expansion ModPams HarvestCraftDModin 51% of the modpacks with Cave Expansion ModAdditional StructuresBModin 48% of the modpacks with Cave Expansion ModDynamic SurroundingsAModin 48% of the modpacks with Cave Expansion ModMowzie's MobsBModin 48% of the modpacks with Cave Expansion Mod
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. None is for a recent Minecraft version. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    Older Minecraft versions
    1.12 to 1.12.2·Forge1.51.5 · CaveExpansionV1.5.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    6 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12 to 1.12.21.12 to 1.12.2The latest file for its Minecraft version and loader·Forge1.51.5 · CaveExpansionV1.5.jar·23 Oct 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 338.0 KB
    1.12 to 1.12.21.12 to 1.12.2·Forge1.41.4 · CaveExpansionV1.4.jar·22 Oct 2019PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 433.1 KB
    1.12·Forge1.31.3 · CaveExpansionV1.3.jar·21 Oct 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 359.8 KB
    1.12·Forge1.21.2 · CaveExpansionV1.2.jar·20 Oct 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 297.9 KB
    1.12·Forge1.11.1 · CaveExpansionV1.1.jar·20 Oct 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 243.0 KB
    1.12·Forge11 · CaveExpansionV1.jarAlpha·20 Oct 2019PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Alpha · 156.6 KB