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    2,046,932 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 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 24 Oct 2026.269,480 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Alex's Caves

    Mod

    Explore six new rare cave biomes hidden under the surface of the Overworld.

    C79/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyGoes online
    • AINone found
    • CompatibilityMinecraft 1.20.1
    • ModpacksIn 11,558
    • ReleasesLatest Oct 2024

    Download

    alexscaves-2.0.2.jar

    Released 26 Oct 2024 · 71.4 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • CitadelAMinecraft 1.20.1 · NeoForge (release 2.6.3)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    • No release in 24 months−8 points
    • Releases in only 1 of the last 24 months−5 points

    C at most after 12 months without a release.

    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.24 months ago (26 Oct 2024). 2,256 modpacks released in the last 6 months still include it, so it keeps 60% of these points. The grade cannot go above C after 12 months without a release. 7 / 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 NeoForge and 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 1 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.33 of the 366 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.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.1 known conflict, but it does not count in the grade See the known conflict5 / 5

    • Transparency

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

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.46,289,188 4 / 4

    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.0 years, 19 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
    Total79 / 100

    50.8 of the 64 points that apply = 79 out of 100. The points above are rounded to whole numbers.

    Images

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

    About

    Alex’s Caves expands the Overworld with six rare, expansive underground biomes: the Magnetic Caves, Primordial Caves, Toxic Caves, Abyssal Chasm, Forlorn Hollows, and Candy Cavity. Each biome has its own distinctive landscape, blocks, creatures, and mechanics, ranging from glowing crystals and magnetic machines in the Magnetic Caves to prehistoric dinosaurs in the bright Primordial Caves, acid pools and radioactive ruins in the Toxic Caves, and underwater ruins and deep-sea life in the ocean-bound Abyssal Chasm. The Forlorn Hollows is a lightless, hostile realm of Guanostone, cultists, and wraiths, while the Candy Cavity brings sweet landscapes, powerful foes, and Licowitch-made structures such as towers and Gingerbread Town. Other notable inhabitants include tameable flying Subterranodons, pack-hunting Vallumraptors, the trading Deep Ones, and dangerous bosses such as Tremorzilla and Hullbreaker. Exploration also leads to structures including Magnetic and Toxic Ruins, Caveman Houses, Tribal Campsites, Abyssal Ruins, Whalefalls, and Forlorn Huts and Bridges. To begin locating the rare caves, search for an Underground Cabin, where barrels can provide Cave Tablets and a Cave Compendium; the cabin also contains a Spelunkery Table for researching tablets into biome-specific Cave Codices. A word-guessing research minigame turns tablets into codices, which unlock the corresponding biome’s General, Resources, Inhabitants, and Utilities chapters in the Compendium or can be crafted into maps that search for that biome. The biomes also have carefully differentiated visual atmospheres, with effects such as distinct fog, brightness, light color, and ambient particles.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 15 areas: World generationChanges 10 game code files in this area: terrain, biomes and structures made when new land is created., Mobs and their behaviorChanges 9 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 3 game code files in this area: drawing the terrain, sky, clouds and weather., Server and world logicChanges 3 game code files in this area: the world, commands, scoreboards, saved data and game rules., 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., Inventory and itemsChanges 2 game code files in this area: items, chests and other containers, crafting and enchanting., 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., Game data and resourcesChanges 1 game code file in this area: recipes, tags, advancements, language files and other game data. and Game coreChanges 1 game code file in this area: the main loop, lighting and other code the whole game uses..

    Adds 322 blocks, 224 items, 81 entities, 6 biomes, 14 structures, 51 enchantments, 467 recipes, 146 advancements, 63 loot tables and 481 sounds.

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

    Replaces 1 of vanilla Minecraft's text files.

    Often used with it

    See all 30
    YUNG's Better Nether FortressesAYUNG's Better Ocean MonumentsAL_Ender's CataclysmBYUNG's Better End IslandAYUNG's Better Desert TemplesA

    Details

    Creators
    AlexModGuy and Noonyeyz
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    46.3M
    Created
    19 Oct 2023
    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

    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
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 2 files in your config folder.

    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.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 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
      7 of 39 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
      1,263 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
      1,303 code files read

    Compatibility

    See all 19 files
    NeoForge
    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.
    CitadelA
    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 1.20.1. Many recently updated mods still support 1.20.1.

    Known conflicts

    These projects do not work together with Alex's Caves: their authors or Alex's Caves' author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as Alex's Caves, so you only need one.

    ProjectTypeDownloadsDeclared by
    Alex's Caves rad forkMod14K downloadsdeclared by Alex's Caves rad fork

    Related projects

    Projects that need Alex's Caves to work.

    ProjectTypeDownloadsGrade
    Relics: Alex's Caves CompatCMod7.8M downloadsAlex's TitlesCResource pack6.2M downloadsAlexs Caves: Stuff & TorpedoesCMod4.3M downloadsDimensions of Alex's CavesBMod3M downloadsCreate: Alex's Caves CompatAMod2.6M downloadsCave DelightCMod2.6M downloadsCreate: OppenheimeredCMod1.6M downloadsNuclear Bomb BayCMod1.1M downloadsAlexs Caves ExemplifiedCMod778K downloadsCaves DelightDMod612K downloads
    1 to 10 of 60123456

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    8004000
    Oct 2024: 697 modpacksNov 2024: 698 modpacksDec 2024: 671 modpacksJan 2025: 725 modpacksFeb 2025: 707 modpacksMar 2025: 675 modpacksApr 2025: 731 modpacksMay 2025: 742 modpacksJun 2025: 751 modpacksJul 2025: 708 modpacksAug 2025: 729 modpacksSep 2025: 642 modpacksOct 2025: 729 modpacksNov 2025: 721 modpacksDec 2025: 790 modpacksJan 2026: 747 modpacksFeb 2026: 673 modpacksMar 2026: 700 modpacksApr 2026: 663 modpacksMay 2026: 582 modpacksJun 2026: 597 modpacksJul 2026: 619 modpacksAug 2026: 582 modpacksSep 2026: 568 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024697
    Nov 2024698
    Dec 2024671
    Jan 2025725
    Feb 2025707
    Mar 2025675
    Apr 2025731
    May 2025742
    Jun 2025751
    Jul 2025708
    Aug 2025729
    Sep 2025642
    Oct 2025729
    Nov 2025721
    Dec 2025790
    Jan 2026747
    Feb 2026673
    Mar 2026700
    Apr 2026663
    May 2026582
    Jun 2026597
    Jul 2026619
    Aug 2026582
    Sep 2026568

    11,558 modpacks include Alex's Caves 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 2026SteamPunk [LPS]3M downloadslast version with it 20 May 2026MC Eternal 21.9M downloadslast version with it 16 Sep 2026Valhelsia 61.9M downloadslast version with it 21 Apr 2025Integrated MC1.9M downloadslast version with it 21 Oct 2026Linggango - [V6.5 IS OUT]1.3M downloadslast version with it 24 Oct 2026Medieval MC [FORGE] - MMC41.2M downloadslast version with it 23 Oct 2026Create Ultimate Selection - Create Quests | Create Addons [1.20.1]1.2M downloadslast version with it 15 Oct 2026Soulrend - Dark Fantasy RPG Soulslike1.1M downloadslast version with it 21 Oct 2026Prominence™ Classic1.1M downloadslast version with it 12 Jul 2024
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Alex's Caves. Share: how many of the modpacks with Alex's Caves also have that mod.

    ProjectTypeShareGrade
    YUNG's Better Nether FortressesAModin 63% of the modpacks with Alex's CavesYUNG's Better Ocean MonumentsAModin 58% of the modpacks with Alex's CavesL_Ender's CataclysmBModin 57% of the modpacks with Alex's CavesYUNG's Better End IslandAModin 56% of the modpacks with Alex's CavesYUNG's Better Desert TemplesAModin 55% of the modpacks with Alex's CavesYUNG's Better Jungle TemplesAModin 53% of the modpacks with Alex's CavesAmendmentsAModin 51% of the modpacks with Alex's CavesYUNG's Better Witch HutsAModin 49% of the modpacks with Alex's CavesMowzie's MobsBModin 46% of the modpacks with Alex's CavesIron's Spells 'n SpellbooksAModin 44% of the modpacks with Alex's Caves
    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·NeoForge, Forge2.0.22.0.2 · alexscaves-2.0.2.jarSends: Nothing about youRequires:CitadelPassedOur checks found nothing harmful in this file. Its code was read too.

    19 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge2.0.22.0.2 · alexscaves-2.0.2.jar (main file)·26 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 71.4 MB
    1.20.1·NeoForge, Forge2.0.12.0.1 · alexscaves-2.0.1.jar (main file)·21 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 71.4 MB
    1.20.1·Forge, NeoForge2.0.02.0.0 · alexscaves-2.0.0.jar (main file)·19 Oct 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 71.3 MB
    1.20.1·Forge, NeoForge1.1.51.1.5 · alexscaves-1.1.5.jar (main file)·15 Aug 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 58.8 MB
    1.20.1·Forge, NeoForge1.1.41.1.4 · alexscaves-1.1.4.jar (main file)·6 Mar 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 58.7 MB
    1.20.1·NeoForge, Forge1.1.31.1.3 · alexscaves-1.1.3.jar (main file)·2 Mar 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 58.7 MB
    1.20.1·NeoForge, Forge1.1.21.1.2 · alexscaves-1.1.2.jar (main file)·25 Feb 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 58.7 MB
    1.20.1·Forge, NeoForge1.1.11.1.1 · alexscaves-1.1.1.jar (main file)·22 Feb 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 60.7 MB
    1.20.1·Forge, NeoForge1.1.01.1.0 · alexscaves-1.1.0.jar (main file)·19 Feb 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 60.7 MB
    1.20.1·Forge1.0.91.0.9 · alexscaves-1.0.9.jar (main file)·12 Dec 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 72.5 MB
    1.20.1·NeoForge, Forge1.0.81.0.8 · alexscaves-1.0.8.jar (first file)·7 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 72.4 MB
    1.20.1·NeoForge, Forge1.0.71.0.7 · alexscaves-1.0.7.jar (main file)·7 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 72.4 MB
    1.20.1·Forge, NeoForge1.0.61.0.6 · alexscaves-1.0.6.jar (main file)·26 Oct 2023PassedOur 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
    1.20.1·NeoForge, Forge1.0.51.0.5 · alexscaves-1.0.5.jar·24 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.20.1·NeoForge, Forge1.0.41.0.4 · alexscaves-1.0.4.jar·21 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.20.1·NeoForge, Forge1.0.31.0.3 · alexscaves-1.0.3.jar·19 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.20.1·NeoForge, Forge1.0.21.0.2 · alexscaves-1.0.2.jar·19 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.20.1·NeoForge, Forge1.0.11.0.1 · alexscaves-1.0.1.jar·19 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB
    1.20.1·NeoForge, Forge1.0.01.0.0 · alexscaves-1.0.0.jar·19 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 71.8 MB