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    2,069,704 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.646,524 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.270,449 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.

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

    Alex's Caves: Refabricated

    Mod

    Explore rare cave biomes filled with strange creatures and treasures.

    Download

    Files come from Modrinth and CurseForge servers.

    alexscaves-2.0.2-6.jar

    Released 25 Jul 2026 · 71.8 MB

    Passed: our checks found nothing harmful in this file.

    Download
    B89/ 100
    Security
    Passed
    Privacy
    Goes online
    Runs on
    Client and server
    Loaders
    Fabric, Quilt
    Minecraft versions
    Minecraft 1.21.1
    • OverviewB
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityMinecraft 1.21.1
    • ModpacksIn 14
    • ReleasesLatest 25 Jul
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Security checks passed
    • Stable releases
    • Public source code and issue tracker

    Points lost

    • Releases in only 3 of the last 24 months−4 points
    • First release only 8 months ago−3 points
    • Under 5 million downloads−1 point
    All 11 criteria
    • Maintenance

      4 points lost23 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3 months ago (25 Jul 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 Fabric and Quilt. 53% of the 721 popular Fabric 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 3 of the last 24 months 2 / 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.2 of the 13 modpacks with two or more versions removed it in a later one (15%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 6 releases in 2 years needed a quick fix (17%) 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 · q4diffuse/AlexsCavesFabric 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · q4diffuse/AlexsCavesFabric 3 / 3
    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.68,839 3 / 4
    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.8 months, 5 releases 5 / 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
    Total89 / 100

    63 of the 71 points that apply = 89 out of 100.

    Images

    • Primordial Caves
    • Magnetic Caves
    • Forlorn Hollows
    • Abyssal Chasm
    • Toxic Caves
    • Candy Cavity
    • Primordial Caves Entrance

    About

    Alex's Caves: Refabricated is an unofficial Fabric port that brings Alex's Caves' rare underground destinations to the Overworld, each with its own blocks, items, creatures, and mechanics. The six cave biomes range from the crystal-filled Magnetic Caves and dinosaur-rich Primordial Caves to the acidic Toxic Caves, ocean-hidden Abyssal Chasm, shadowy Forlorn Hollows, and candy-themed Candy Cavity. Their inhabitants include magnetic machines such as Teletors and Magnetrons, prehistoric creatures such as Grottoceratops and Tremorsaurus, and Deep Ones that can be traded with and befriended. Exploration is guided by Underground Cabins, where players can find Cave Tablets and a Cave Compendium, the in-game guide to the biomes and their contents. At a Spelunkery Table, players translate Cave Tablets into Cave Codices through a guessing minigame; codices unlock biome information in the Compendium or can be crafted into maps that search for their corresponding rare biome. The biomes also have distinct visual treatments, including their own combinations of ambient particles, fog, brightness, and light color.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 15 areas: World generationChanges 14 game code files in this area: terrain, biomes and structures made when new land is created., Mobs and their behaviorChanges 11 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Rendering and graphicsChanges 6 game code files in this area: drawing mobs, items, particles and textures on screen., SoundChanges 6 game code files in this area: playing sounds, music and the sound engine., World renderingChanges 4 game code files in this area: drawing the terrain, sky, clouds and weather., Server and world logicChanges 4 game code files in this area: the world, commands, scoreboards, saved data and game rules., Inventory and itemsChanges 3 game code files in this area: items, chests and other containers, crafting and enchanting., Chunk loading and storageChanges 2 game code files in this area: how the game loads, tracks, saves and unloads chunks., User interfaceChanges 2 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay., PlayerChanges 2 game code files in this area: your character: movement, abilities, hunger and controls., Game coreChanges 2 game code files in this area: the main loop, lighting and other code the whole game uses., Game optionsChanges 1 game code file in this area: settings, key bindings and the option screens., Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server., Blocks and fluidsChanges 1 game code file in this area: how blocks, fluids and redstone work. and Game data and resourcesChanges 1 game code file in this area: recipes, tags, advancements, language files and other game data..

    Adds:

    • 322 blocksAbyssal Altar, Abyssmarine, Abyssmarine Brick Slab, Abyssmarine Brick Stairs, Abyssmarine Brick Wall, Abyssmarine Bricks, Abyssmarine Pillar, Abyssmarine Slab and 314 more. Blocks with their own name, checked against the block files.
    • 225 itemsBucket of Acid, Alex's Caves Icon, Alex Meal, Amber Curiosity, Azure Neodymium Ingot, Bioluminesscence, Biome Treat, Burrowing Arrow and 217 more. Items with their own name, not counting blocks, checked against the item files.
    • 6 biomesAbyssal Chasm, Candy Cavity, Forlorn Hollows, Magnetic Caves, Primordial Caves and Toxic Caves.
    • 14 structuresAbyssal Ruins, Acid Pit, Cake Cave, Dino Bowl, Donut Arch, Ferrocave, Forlorn Bridge, Forlorn Canyon and 6 more.
    • 51 enchantmentsArrow Inducting, Astral Transferring, Bonking, Bouncing Bolt, Bouncy Ball, Charting Call, Chomping Spirit, Crystallization and 43 more.
    • 467 recipes
    • 146 advancements
    • 63 loot tables
    • 481 sounds

    Counted from the files of the mod. Content made only in its code is not counted.

    Replaces 1 of vanilla Minecraft's text files.

    Details

    Creator
    diffuse
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    69K
    Created
    8 Mar 2026
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. It contacts 1 web address. 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 · 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.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends about you

    We read its code without running it: it contacts 1 web address while you play.

    Like any connection, each address it contacts sees your IP address.

    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
    • raw.githubusercontent.com
      Downloads a list of mod generation conflicts used by the mod.Explained by AI (may be wrong)Explained by an AI from the code. May be wrong.
    • 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 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 · 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.
    • 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
      5 of 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
      1,264 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 1,474 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
      1,484 code files read

    Compatibility

    See all 5 files
    Fabric
    Quilt
    1.2126.126.2

    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, 简体中文, Русский and
    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.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Alex's Caves: Refabricated in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Arcane Dragons [FABRIC]58K downloadslast version with it 8 Sep 2026Honey, I got bored!1.6K downloadslast version with it 14 Apr 2026Decked Out Vanilla+1.6K downloadslast version with it 24 Jun 2026Vanilla Bloom1.2K downloadslast version with it 5 Oct 2026Creeper Cutwater958 downloadslast version with it 28 Aug 2026Eve's LITE463 downloadslast version with it 16 May 2026RPG Expanse Official Pack of the Lounge376 downloadslast version with it 14 Jun 2026Craft & Chill324 downloadslast version with it 15 Jul 2026Cobblemon SMP (CSMP1)307 downloadslast version with it 30 Aug 2026Structures Combat and Bosses oh my!235 downloadslast version with it 29 Aug 2026
    1 to 10 of 1412

    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·Fabric, Quilt2.0.2-62.0.2-6 · alexscaves-2.0.2-6.jarSends: Nothing about youRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    5 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·Fabric, Quilt2.0.2-62.0.2-6 · alexscaves-2.0.2-6.jar (main file)·25 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.21.1·Fabric, Quilt2.0.2-42.0.2-4 · alexscaves-2.0.2-4.jar (main file)·29 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.21.1·Fabric2.0.2-32.0.2-3 · alexscaves-2.0.2-3.jar (main file)Beta·28 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 71.8 MB
    1.21.1·Fabric2.0.2-22.0.2-2 · alexscaves-2.0.2.jar (main file)Beta·23 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 71.8 MB
    1.21.1·Fabric2.0.2-12.0.2-1 · alexscaves-2.0.2-fabric.jar (main file)Alpha·8 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 71.7 MB

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first
    • 2.0.2-429 Mar 2026fix nuclear siren spontaneous activation