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    2,054,849 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 2026.269,417 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.

    Caverns & Chasms

    Mod

    Diversifies the underground experience with ores, foliage, trinkets, and more!

    A96/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 866
    • ReleasesLatest 16 Sep

    Download

    caverns_and_chasms-1.21.1-3.0.1.jar

    Released 16 Sep 2026 · 38.7 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • BlueprintAMinecraft 1.21.1 · NeoForge (release 8.2.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Releases in only 4 of the last 24 months−3 points
    All 11 criteria

    • Maintenance

      3 points lost24 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.6 weeks ago (16 Sep 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 4 of the last 24 months 3 / 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.35 of the 380 modpacks with two or more versions removed it in a later one (9%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 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

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · team-abnormals/caverns-and-chasms 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · team-abnormals/caverns-and-chasms 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.4,989,416 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.7 years, 10 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
    Total96 / 100

    68 of the 71 points that apply = 96 out of 100.

    Images

    • Caverns & Chasms
    • Fragile Stone
    • Dyeable Bundles
    • Cobblestone Bricks & Tiles
    • Silver Gear
    • Toolboxes & Floodlights
    • Copper Golems
    • Glares
    • Amethyst Building Blocks
    • Cobbled Deepslate Bricks & Tiles
    • Tether Potions
    • Necromium
    • Trim Materials
    • Sanguine Armor
    • Large & Blunt Arrows

    About

    Caverns & Chasms expands Minecraft’s underground with new resources, creatures, structures, plants, building blocks, and equipment. Tin, silver, soul silver, spinel, and turquoise add new ways to find and use ores; tin deposits also form large underground monoliths, while fragile stone and deepslate break in a chain reaction when one connected block is mined. Underground discoveries include the Forge, Vault, and Lush Mineshaft, alongside mobs such as cavefish, evendeepers, grazers, rats, and saddled grazers; rats can be tamed by placing rotten flesh nearby. Cave growths come in biome-specific varieties that can hint at the surface environment, and the rare, light-emitting False Hope flower creates the illusion of an exit in low-ceiling caves. The mod also adds decorative sets and useful blocks, including tin and copper furnishings, new stone and glass options, and toolboxes that store durable equipment in 14 slots and retain their contents when broken. New gear includes silver, necromium, and sanguine armor, with armor and tools offering an alternative to Netherite.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 11 areas: Inventory and itemsChanges 18 game code files in this area: items, chests and other containers, crafting and enchanting., Mobs and their behaviorChanges 16 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Blocks and fluidsChanges 10 game code files in this area: how blocks, fluids and redstone work., Rendering and graphicsChanges 8 game code files in this area: drawing mobs, items, particles and textures on screen., PlayerChanges 4 game code files in this area: your character: movement, abilities, hunger and controls., Game coreChanges 3 game code files in this area: the main loop, lighting and other code the whole game uses., Server and world logicChanges 3 game code files in this area: the world, commands, scoreboards, saved data and game rules., World generationChanges 2 game code files in this area: terrain, biomes and structures made when new land is created., World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather., User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay. and Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server..

    Adds 566 blocks, 189 items, 12 mobs, 1 minecart, 3 projectiles, 4 other entities, 4 structures, 4 enchantments, 11 paintings, 1,304 recipes, 30 advancements, 23 loot tables and 571 sounds.

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

    Replaces 74 of vanilla Minecraft's recipes, 74 advancements, 36 models, 4 block textures, 4 item textures, 2 world generation files, 1 loot table and 1 other data file.

    Often used with it

    See all 30
    BlueprintAAmendmentsAL_Ender's CataclysmBYUNG's Better Nether FortressesAYUNG's Better Ocean MonumentsA

    Details

    Creators
    Team Abnormals (five, hatsondogs, bagel, martianarchitecture and Kryptography)
    License
    Abnormals License
    Downloads
    5M
    Created
    28 Feb 2024
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , 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.
    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for NeoForge 1.20.1. See Privacy

    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 3 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.
      3 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.
      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, sounds and code history 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 · 7 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.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Nothing found
    • 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
      14 of 20 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
      1,175 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 999 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
      672 code files read

    Compatibility

    See all 10 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.
    BlueprintA
    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.

    Related projects

    Projects that need Caverns & Chasms to work.

    ProjectTypeDownloadsGrade
    Peeping AngelsBMod388K downloadsScorched Guns: Caverns & Chasms CompatBMod60K downloadsCaverns & Chasms: Ingot CompatCMod33K downloadsBig Globe - Caverns & Chasms CompatibilityEMod12K downloadsLushierBData pack5.3K downloadsJaam's Weaponry: Caverns & ChasmsBMod4K downloadsCreate: Caverns And Chasms Silver CompatibilityDMod2.9K downloadsSpartan Caverns and ChasmsDMod2.9K downloadsRatchel - Caverns & ChasmsCMod2K downloadsCaverns & Chasms: SpellbooksCMod1.2K downloads
    1 to 10 of 1512

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    2001000
    Oct 2024: 9 modpacksNov 2024: 11 modpacksDec 2024: 7 modpacksJan 2025: 33 modpacksFeb 2025: 42 modpacksMar 2025: 49 modpacksApr 2025: 62 modpacksMay 2025: 63 modpacksJun 2025: 52 modpacksJul 2025: 74 modpacksAug 2025: 80 modpacksSep 2025: 75 modpacksOct 2025: 80 modpacksNov 2025: 91 modpacksDec 2025: 82 modpacksJan 2026: 98 modpacksFeb 2026: 78 modpacksMar 2026: 85 modpacksApr 2026: 72 modpacksMay 2026: 64 modpacksJun 2026: 75 modpacksJul 2026: 93 modpacksAug 2026: 115 modpacksSep 2026: 98 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20249
    Nov 202411
    Dec 20247
    Jan 202533
    Feb 202542
    Mar 202549
    Apr 202562
    May 202563
    Jun 202552
    Jul 202574
    Aug 202580
    Sep 202575
    Oct 202580
    Nov 202591
    Dec 202582
    Jan 202698
    Feb 202678
    Mar 202685
    Apr 202672
    May 202664
    Jun 202675
    Jul 202693
    Aug 2026115
    Sep 202698

    866 modpacks include Caverns & Chasms in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Beyond Depth3.4M downloadslast version with it 18 Oct 2026Integrated MC1.9M downloadslast version with it 21 Oct 2026All of Create1.9M downloadslast version with it 20 Jan 2026Linggango - [V6.5 IS OUT]1.3M downloadslast version with it 30 Apr 2026Slightly Flavoured612K downloadslast version with it 23 Dec 2025Raspberry Flavoured534K downloadslast version with it 23 Aug 2026KEO RPG optimized314K downloadslast version with it 16 Sep 2026Life in the village 4238K downloadslast version with it 26 Feb 2025Reminiscence228K downloadslast version with it 3 Oct 2026MYTHCRAFT5222K downloadslast version with it 26 Feb 2025
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Caverns & Chasms. Share: how many of the modpacks with Caverns & Chasms also have that mod.

    ProjectTypeShareGrade
    BlueprintAModin 100% of the modpacks with Caverns & ChasmsAmendmentsAModin 69% of the modpacks with Caverns & ChasmsL_Ender's CataclysmBModin 60% of the modpacks with Caverns & ChasmsYUNG's Better Nether FortressesAModin 60% of the modpacks with Caverns & ChasmsYUNG's Better Ocean MonumentsAModin 54% of the modpacks with Caverns & ChasmsYUNG's Better End IslandAModin 54% of the modpacks with Caverns & ChasmsAttributeFixAModin 53% of the modpacks with Caverns & ChasmsMowzie's MobsBModin 50% of the modpacks with Caverns & ChasmsStructure EssentialsAModin 49% of the modpacks with Caverns & ChasmsUpgrade AquaticAModin 49% of the modpacks with Caverns & Chasms
    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
    1.21.1·NeoForge3.0.13.0.1 · caverns_and_chasms-1.21.1-3.0.1.jarSends: None foundRequires:BlueprintPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge, Forge2.1.32.1.3 · caverns_and_chasms-1.20.1-2.1.3.jarSends: None foundRequires:BlueprintPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Forge1.0.21.0.2 · caverns_and_chasms-1.19.2-1.0.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    10 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge3.0.13.0.1 · caverns_and_chasms-1.21.1-3.0.1.jar (main file)·16 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 38.7 MB
    1.21.1·NeoForge3.0.03.0.0 · caverns_and_chasms-1.21.1-3.0.0.jar (main file)·27 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 38.6 MB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge2.1.32.1.3 · caverns_and_chasms-1.20.1-2.1.3.jar (main file)·16 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 36.9 MB
    1.20.1·Forge, NeoForge2.1.22.1.2 · caverns_and_chasms-1.20.1-2.1.2.jar (main file)·12 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 36.9 MB
    1.20.1·Forge, NeoForge2.1.12.1.1 · caverns_and_chasms-1.20.1-2.1.1.jar (main file)·7 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 36.9 MB
    1.20.1·Forge2.1.02.1.0 · caverns_and_chasms-1.20.1-2.1.0.jar (main file)·1 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 36.9 MB
    1.20.1·Forge, NeoForge2.0.02.0.0 · caverns_and_chasms-1.20.1-2.0.0.jar (main file)·31 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 4.6 MB
    1.19.2The latest file for its Minecraft version and loader·Forge1.0.21.0.2 · caverns_and_chasms-1.19.2-1.0.2.jar (first file)·30 Mar 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 4.6 MB
    1.19.2·Forge1.0.11.0.1 · caverns_and_chasms-1.19.2-1.0.1.jar (first file)·29 Mar 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 4.6 MB
    1.19.2·Forge1.0.01.0.0 · caverns_and_chasms-1.19.2-1.0.0.jar (first file)·28 Feb 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 4.5 MB