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    2,053,304 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 2026.269,472 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

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

    Blockus

    Mod

    A mod that adds blocks!

    A100/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 1,316
    • ReleasesLatest 16 Sep

    Download

    blockus-2.18.1+26.3.jar

    Released 16 Sep 2026 · 7.0 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 26.3 · Fabric (release 0.165.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • 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.5 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.26.3 on Fabric (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 13 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.20 of the 354 modpacks with two or more versions removed it in a later one (6%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.2 of its 24 releases in 2 years needed a quick fix (8%) 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 · Brandcraf06/Blockus 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Brandcraf06/Blockus 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.9,613,803 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7.7 years, 168 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 10 latest files for recent Minecraft versions. See Security
    Total100 / 100

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

    Images

    • Almost All Blocks (2.18.1+26.3)
    • White Oak
    • Blockus 26.3
    • Timber Frames
    • Some blocks
    • Some Nether blocks
    • Some Nether blocks
    • Soul Sandstone

    About

    Blockus expands Minecraft’s building palette with decorative and functional blocks for a wide range of styles. Its additions include marble, limestone, bluestone and viridite; white oak, raw bamboo and charred wood; colored tiles, stained stone bricks, patterned wool, beveled glass, hedges, columns and timber frames; and themed Nether blocks such as teal and charred Nether bricks, magma bricks and soul sandstone. Other distinctive additions include large flower pots, colored redstone lamps, paper blocks, walls and lamps, food crates, rainbow blocks, redstone sand, and asphalt that makes players move faster. Some materials and plants appear naturally in the world: limestone, marble, bluestone and viridite generate at different depths, with viridite more common in the Deep Dark; white oak trees and fallen logs grow in specified forest and plains biomes, while rainbow roses spawn in flower forests and meadows. Most blocks are crafted using a stonecutter.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 2 areas: Blocks and fluidsChanges 5 game code files in this area: how blocks, fluids and redstone work. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    A library packed inside it changes 12 more game code files: Terraform Wood API (v1).

    Adds 1,641 blocks, 6 items, 6 boats and 3,710 recipes.

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

    Replaces 14 of vanilla Minecraft's structures, 3 recipes and 3 advancements.

    Often used with it

    See all 30
    Mod MenuALithiumABetterEndBCroptopiaAFerriteCoreA

    Details

    Creator
    Brandcraft
    License
    GNU Lesser General Public License v3.0 only
    Downloads
    9.6M
    Created
    24 Jan 2019
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    Security

    No harmful code found

    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 · All 35 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.
      35 latest files: the newest file for each Minecraft version and loader. The answer above is about the 10 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.
      The internet, 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 10 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 10 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
      976 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
      112 code files read

    Compatibility

    See all 168 files
    Fabric
    Loader not stated
    1.141.161.181.2026.1

    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.
    Fabric APIA
    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 7 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need Blockus to work.

    ProjectTypeDownloadsGrade
    Extended Block Shapes - BlockusAMod72K downloadsUnicopia Blockus AddonDMod3.5K downloadsPolymer Patch for BlockusEMod409 downloadsCharm - Blockus Compat DatapackDData pack318 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    40200
    Oct 2024: 33 modpacksNov 2024: 27 modpacksDec 2024: 29 modpacksJan 2025: 35 modpacksFeb 2025: 23 modpacksMar 2025: 27 modpacksApr 2025: 30 modpacksMay 2025: 31 modpacksJun 2025: 17 modpacksJul 2025: 21 modpacksAug 2025: 27 modpacksSep 2025: 21 modpacksOct 2025: 24 modpacksNov 2025: 24 modpacksDec 2025: 23 modpacksJan 2026: 25 modpacksFeb 2026: 25 modpacksMar 2026: 19 modpacksApr 2026: 16 modpacksMay 2026: 16 modpacksJun 2026: 15 modpacksJul 2026: 22 modpacksAug 2026: 14 modpacksSep 2026: 16 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202433
    Nov 202427
    Dec 202429
    Jan 202535
    Feb 202523
    Mar 202527
    Apr 202530
    May 202531
    Jun 202517
    Jul 202521
    Aug 202527
    Sep 202521
    Oct 202524
    Nov 202524
    Dec 202523
    Jan 202625
    Feb 202625
    Mar 202619
    Apr 202616
    May 202616
    Jun 202615
    Jul 202622
    Aug 202614
    Sep 202616

    1,316 modpacks include Blockus in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better MC [FABRIC] BMC17.9M downloadslast version with it 24 Jul 2022DarkRPG - RPG with Magic, Origins, Quests, Adventure3.9M downloadslast version with it 28 Jun 2023BounceSMP: Public2.8M downloadslast version with it 18 Nov 2023Valhelsia: Enhanced Vanilla1.8M downloadslast version with it 11 Sep 2022All of Fabric 3 - AOF31.1M downloadslast version with it 1 Feb 2022All of Fabric 6 - AOF6709K downloadslast version with it 14 Jul 2025OriginsSMP698K downloadslast version with it 23 Feb 2023All of Fabric 5 - AOF5661K downloadslast version with it 14 Jul 2025All of Fabric 7 - AOF7657K downloadslast version with it 14 Jul 2025Another Quality Modpack 2 - AQM2627K downloadslast version with it 4 Sep 2025
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Mod MenuAModin 81% of the modpacks with BlockusLithiumAModin 76% of the modpacks with BlockusBetterEndBModin 61% of the modpacks with BlockusCroptopiaAModin 61% of the modpacks with BlockusFerriteCoreAModin 61% of the modpacks with BlockusRepurposed Structures - FabricAModin 56% of the modpacks with BlockusBetterNetherBModin 56% of the modpacks with BlockusWraith WaystonesAModin 55% of the modpacks with BlockusAdornAModin 51% of the modpacks with BlockusSodium ExtraAModin 48% of the modpacks with Blockus
    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·Fabric2.18.12.18.1 · blockus-2.18.1+26.3.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric2.17.32.17.3 · blockus-2.17.3+26.2.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1 to 26.1.2·Fabric2.16.62.16.6 · blockus-2.16.6+26.1.2.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Fabric2.15.32.15.3 · blockus-2.15.3+1.21.11.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.9 to 1.21.10·Fabric2.14.12.14.1 · blockus-2.14.1+1.21.10.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.6 to 1.21.8·Fabric2.13.22.13.2 · blockus-2.13.2+1.21.8.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.5·Fabric2.12.02.12.0 · blockus-2.12.0+1.21.5.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.4·Fabric2.11.42.11.4 · blockus-2.11.4+1.21.4.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·Fabric2.9.182.9.18 · blockus-2.9.18+1.21.1.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20 to 1.20.1·Fabric2.7.222.7.22 · blockus-2.7.22+1.20.1.jarSends: None foundRequires:Fabric APIPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 351234

    168 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·Fabric2.18.12.18.1 · blockus-2.18.1+26.3.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 · 7.0 MB
    26.3·Fabric2.18.02.18.0 · blockus-2.18.0+26.3.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 · 7.0 MB
    26.2The latest file for its Minecraft version and loader·Fabric2.17.32.17.3 · blockus-2.17.3+26.2.jar (main file)·6 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 7.0 MB
    26.1 to 26.1.226.1 to 26.1.2The latest file for its Minecraft version and loader·Fabric2.16.62.16.6 · blockus-2.16.6+26.1.2.jar (main file)·6 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.8 MB
    26.2·Fabric2.17.22.17.2 · blockus-2.17.2+26.2.jar (main file)·26 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.8 MB
    26.1 to 26.1.226.1 to 26.1.2·Fabric2.16.52.16.5 · blockus-2.16.5+26.1.2.jar (main file)·26 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.7 MB
    1.21.1The latest file for its Minecraft version and loader·Fabric2.9.182.9.18 · blockus-2.9.18+1.21.1.jar (main file)·26 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    26.2·Fabric2.17.12.17.1 · blockus-2.17.1+26.2.jar (main file)·24 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.8 MB
    26.1 to 26.1.226.1 to 26.1.2·Fabric2.16.42.16.4 · blockus-2.16.4+26.1.2.jar (main file)·24 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.7 MB
    1.21.1·Fabric2.9.172.9.17 · blockus-2.9.17+1.21.1.jar (main file)·24 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    26.2·Fabric2.17.02.17.0 · blockus-2.17.0+26.2.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.6 MB
    26.1 to 26.1.226.1 to 26.1.2·Fabric2.16.32.16.3 · blockus-2.16.3+26.1.2.jar (main file)·6 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    1.21.1·Fabric2.9.162.9.16 · blockus-2.9.16+1.21.1.jar (main file)·6 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    1.20 to 1.20.11.20 to 1.20.1The latest file for its Minecraft version and loader·Fabric2.7.222.7.22 · blockus-2.7.22+1.20.1.jar (main file)·6 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.6 MB
    26.1 to 26.1.226.1 to 26.1.2·Fabric2.16.22.16.2 · blockus-2.16.2+26.1.2.jar (main file)·13 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    1.21.11The latest file for its Minecraft version and loader·Fabric2.15.32.15.3 · blockus-2.15.3+1.21.11.jar (main file)·13 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.7 MB
    1.21.1·Fabric2.9.152.9.15 · blockus-2.9.15+1.21.1.jar (main file)·13 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    1.21.1·Fabric2.9.142.9.14 · blockus-2.9.14+1.21.1.jar (main file)·2 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    26.1 to 26.1.226.1 to 26.1.2·Fabric2.16.12.16.1 · blockus-2.16.1+26.1.1.jar (main file)·2 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.5 MB
    1.21.11·Fabric2.15.22.15.2 · blockus-2.15.2+1.21.11.jar (main file)·2 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 6.7 MB
    1 to 20 of 16812345…9

    Quick fixes

    In the last 2 years, 2 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.2

    • (26.3) Blockus 2.18.1+26.316 Sep 2026…to bars, panes and lattices Fixed shade override for neon blocks, large potted bamboo, post…
    • (1.21.1) Blockus 2.9.18+1.21.126 Jun 2026Fixed wrong item required to unlock the beveled glass pane…