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    2,024,305 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 2026.269,486 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.

    Biolith

    Mod

    Adds modded biomes to your world in more natural places.

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 1,886
    • ReleasesLatest 24 Oct

    Download

    biolith-fabric-3.8.0-beta.2.jar Beta

    Released 24 Oct 2026 · 232.7 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Regular releases for the newest Minecraft versions
    • Stable releases
    • Public source code and issue tracker
    • Widely used

    Points lost

    No points lost.

    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.Today (24 Oct 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.26.3 on Fabric, Quilt, NeoForge and Forge (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 19 of the last 24 months 6 / 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.30 of the 365 modpacks with two or more versions removed it in a later one (8%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.3 of its 61 releases in 2 years needed a quick fix (5%) 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 that counts in the grade 5 / 5

    • Transparency

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

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.4,525,103 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.3.5 years, 350 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 29 latest files for recent Minecraft versions. See Security
    Total100 / 100

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

    Images

    • Mixed Placement
    • End Woodlands

    About

    Biolith is a configurable biome-placement and surface-generation library for creating more consistent, immersive distributions of modded biomes. It lets datapacks or mod code add biomes to selected Overworld, Nether, or End noise ranges, remove biome entries, replace biomes wholly or in part, and create sub-biomes within vanilla, datapack, or modded biomes. Sub-biome placement can depend on criteria such as a biome’s position within its noise range or its relationship to neighboring and alternate biomes, enabling examples like placing Old Growth Pine Taiga in the noise-based center of a Desert. When multiple mods replace the same biome, Biolith uses seed-based replacement ordering and multi-octave open-simplex replacement noise to produce more immersive biome placement. Biolith also supports custom surface rules and code-based surface builders, which can override vanilla surfaces or alter surface height when ordinary material rules are insufficient. It works with TerraBlender and Fabric Biome API biomes, and can place biomes in Modern Beta and Moderner Beta worlds.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 2 areas, as a library other mods build on: World generationChanges 11 game code files in this area: terrain, biomes and structures made when new land is created. and Server and world logicChanges 3 game code files in this area: the world, commands, scoreboards, saved data and game rules..

    Adds no new blocks, items or other content.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    LithiumAAmendmentsAsparkAReese's Sodium OptionsAChat HeadsA

    Details

    Creators
    Terraformers (Terraformers and gniftygnome)
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    4.5M
    Created
    20 Apr 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. Only in its files for Forge 1.21.9 to 26.3. 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 48 latest files checked, last on 24 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.
      48 latest files: the newest file for each Minecraft version and loader. The answer above is about the 29 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 · All 29 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 all 29 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 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 · 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.
      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
      40 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
      2 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
      99 code files read

    Compatibility

    See all 350 files
    Fabric
    NeoForge
    Forge
    Quilt
    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.Install it on the server. Players join without installing it. It also works in singleplayer.
    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.Faster than most mods. On average, it gets a file 2 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need Biolith to work.

    ProjectTypeDownloadsGrade
    Climate RiversAMod13.7M downloads[Let's Do] BloomingNatureAMod11.4M downloadsHybrid AquaticAMod10.4M downloadsWetland WhimsyAMod2.2M downloadsAbundant AtmosphereBMod1.9M downloadsSleepy HollowsAMod982K downloadsCrystal ChroniclesAMod865K downloadsNo Man's LandBMod323K downloadsNewWorldBMod127K downloadsEtherologyCMod59K downloads
    1 to 10 of 351234

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    5002500
    Oct 2024: 10 modpacksNov 2024: 9 modpacksDec 2024: 12 modpacksJan 2025: 17 modpacksFeb 2025: 17 modpacksMar 2025: 15 modpacksApr 2025: 28 modpacksMay 2025: 26 modpacksJun 2025: 31 modpacksJul 2025: 26 modpacksAug 2025: 25 modpacksSep 2025: 28 modpacksOct 2025: 33 modpacksNov 2025: 42 modpacksDec 2025: 55 modpacksJan 2026: 93 modpacksFeb 2026: 84 modpacksMar 2026: 173 modpacksApr 2026: 256 modpacksMay 2026: 372 modpacksJun 2026: 327 modpacksJul 2026: 385 modpacksAug 2026: 415 modpacksSep 2026: 404 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202410
    Nov 20249
    Dec 202412
    Jan 202517
    Feb 202517
    Mar 202515
    Apr 202528
    May 202526
    Jun 202531
    Jul 202526
    Aug 202525
    Sep 202528
    Oct 202533
    Nov 202542
    Dec 202555
    Jan 202693
    Feb 202684
    Mar 2026173
    Apr 2026256
    May 2026372
    Jun 2026327
    Jul 2026385
    Aug 2026415
    Sep 2026404

    More modpacks put it in their new versions than a year ago: 360 a month now, 27 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..

    1,886 modpacks include Biolith in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better MC [FABRIC] - BMC25.9M downloadslast version with it 15 Jul 2026Better MC [NEOFORGE] BMC53.3M downloadslast version with it 8 Sep 2026Craftoria2.9M downloadslast version with it 13 Sep 2026Fantasy MC Fabric1.9M downloadslast version with it 20 Jul 2026New Simple Mods - Easy to Understand | 1.21 UPDATE!473K downloadslast version with it 18 Aug 2025Medieval MC [FABRIC] MMC3441K downloadslast version with it 4 May 2026MineField Mods361K downloadslast version with it 14 Aug 2026KEO RPG optimized314K downloadslast version with it 16 Sep 2026Medieval MC [FABRIC] - MMC2278K downloadslast version with it 21 Nov 2025Rising Legends277K downloadslast version with it 28 Sep 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    LithiumAModin 57% of the modpacks with BiolithAmendmentsAModin 53% of the modpacks with BiolithsparkAModin 46% of the modpacks with BiolithReese's Sodium OptionsAModin 45% of the modpacks with BiolithChat HeadsAModin 45% of the modpacks with BiolithCreate: Copycats+AModin 42% of the modpacks with BiolithCreate DecoBModin 41% of the modpacks with BiolithHandcraftedCModin 41% of the modpacks with BiolithAccessoriesAModin 39% of the modpacks with BiolithChippedCModin 39% of the modpacks with Biolith
    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
    26.3·Fabric, Quilt3.8.0-beta.23.8.0-beta.2 · biolith-fabric-3.8.0-beta.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·Fabric, Quilt3.8.0-beta.13.8.0-beta.1 · biolith-fabric-3.8.0-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge3.8.0-beta.23.8.0-beta.2 · biolith-neoforge-3.8.0-beta.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge3.8.0-beta.13.8.0-beta.1 · biolith-neoforge-3.8.0-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·Forge3.8.0-beta.23.8.0-beta.2 · biolith-forge-3.8.0-beta.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·Forge3.8.0-beta.13.8.0-beta.1 · biolith-forge-3.8.0-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric, Quilt3.7.0-beta.13.7.0-beta.1 · biolith-fabric-3.7.0-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge3.7.0-beta.13.7.0-beta.1 · biolith-neoforge-3.7.0-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Forge3.7.0-beta.13.7.0-beta.1 · biolith-forge-3.7.0-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric, Quilt3.6.03.6.0 · biolith-fabric-3.6.0.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 4812345

    350 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.4-snapshot-3 to 26.4-snapshot-526.4-snapshot-3 to 26.4-snapshot-5·Fabric, Quilt3.9.0-alpha.43.9.0-alpha.4 · biolith-fabric-3.9.0-alpha.4.jar (main file)Alpha·24 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 233.8 KB
    26.3The latest file for its Minecraft version and loader·NeoForge3.8.0-beta.23.8.0-beta.2 · biolith-neoforge-3.8.0-beta.2.jar (main file)Beta·24 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Beta · 232.7 KB
    26.3The latest file for its Minecraft version and loader·Forge3.8.0-beta.23.8.0-beta.2 · biolith-forge-3.8.0-beta.2.jar (main file)Beta·24 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Beta · 844.4 KB
    26.3The latest file for its Minecraft version and loader·Fabric, Quilt3.8.0-beta.23.8.0-beta.2 · biolith-fabric-3.8.0-beta.2.jar (main file)Beta·24 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Beta · 232.7 KB
    26.4-snapshot to 26.4-snapshot-426.4-snapshot to 26.4-snapshot-4·Fabric, Quilt3.9.0-alpha.33.9.0-alpha.3 · biolith-fabric-3.9.0-alpha.3.jar (main file)Alpha·16 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 233.6 KB
    26.4-snapshot-3·Fabric, Quilt3.9.0-alpha.23.9.0-alpha.2 · biolith-fabric-3.9.0-alpha.2.jar (main file)Alpha·12 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 232.9 KB
    26.4-snapshot-1·Fabric, Quilt3.9.0-alpha.13.9.0-alpha.1 · biolith-fabric-3.9.0-alpha.1.jar (main file)Alpha·25 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Alpha · 232.9 KB
    26.3The latest file for its Minecraft version and loader·NeoForge3.8.0-beta.13.8.0-beta.1 · biolith-neoforge-3.8.0-beta.1.jar (main file)Beta·23 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 232.5 KB
    26.3The latest file for its Minecraft version and loader·Forge3.8.0-beta.13.8.0-beta.1 · biolith-forge-3.8.0-beta.1.jar (main file)Beta·23 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 844.3 KB
    26.3The latest file for its Minecraft version and loader·Fabric, Quilt3.8.0-beta.13.8.0-beta.1 · biolith-fabric-3.8.0-beta.1.jar (main file)Beta·23 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 232.6 KB
    26.3·NeoForge3.8.0-alpha.23.8.0-alpha.2 · biolith-neoforge-3.8.0-alpha.2.jar (main file)Alpha·15 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 232.5 KB
    26.3·Fabric, Quilt3.8.0-alpha.23.8.0-alpha.2 · biolith-fabric-3.8.0-alpha.2.jar (main file)Alpha·15 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 232.6 KB
    26.3·Fabric, Quilt3.8.0-alpha.13.8.0-alpha.1 · biolith-fabric-3.8.0-alpha.1.jar (main file)Alpha·15 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 232.5 KB
    26.2The latest file for its Minecraft version and loader·NeoForge3.7.0-beta.13.7.0-beta.1 · biolith-neoforge-3.7.0-beta.1.jar (main file)Beta·11 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 231.8 KB
    26.2The latest file for its Minecraft version and loader·Forge3.7.0-beta.13.7.0-beta.1 · biolith-forge-3.7.0-beta.1.jar (main file)Beta·11 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 843.5 KB
    26.2The latest file for its Minecraft version and loader·Fabric, Quilt3.7.0-beta.13.7.0-beta.1 · biolith-fabric-3.7.0-beta.1.jar (main file)Beta·11 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 231.8 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·NeoForge3.6.03.6.0 · biolith-neoforge-3.6.0.jar (main file)·5 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 227.4 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Forge3.6.03.6.0 · biolith-forge-3.6.0.jar (main file)·5 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 839.3 KB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric, Quilt3.6.03.6.0 · biolith-fabric-3.6.0.jar (main file)·5 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 227.4 KB
    26.2·NeoForge3.7.0-alpha.23.7.0-alpha.2 · biolith-neoforge-3.7.0-alpha.2.jar (main file)Alpha·26 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 231.7 KB
    1 to 20 of 35012345…18

    Quick fixes

    In the last 2 years, 3 releases 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

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.3

    • 3.5.0-beta.210 Dec 2025Prevent FAPI crash when it sees our biomes
    • 3.0.812 Sep 2025…failure affecting Neoforge NOTE: This fix will force all Loom-based mods incorporating Biolith to…
    • 1.2.0-beta.517 Apr 2025Resolves #26 Combat Nouveau crash - Changes #23 mystery dimension crash (defective worldgen…