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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.

    Colossal Chests

    Mod

    Build giant chests to store more of your items.

    A97/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AIAI-aided code
    • CompatibilityUp to 26.3
    • ModpacksIn 3,395
    • ReleasesLatest 10 Oct

    Download

    colossalchests-26.3-fabric-1.8.16-322.jar Beta

    Released 21 Sep 2026 · 284.2 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Cyclops CoreAMinecraft 26.3 · Fabric (release 1.30.0-1196)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for the newest Minecraft versions
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Some modpacks removed it−2 points
    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.2 weeks ago (10 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 Forge, NeoForge, Fabric and Quilt (latest) 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 22 of the last 24 months 6 / 6

    • Stability

      2 points lost20 / 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.57 of the 368 modpacks with two or more versions removed it in a later one (15%) See the 57 modpacks8 / 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 71 releases in 2 years needed a quick fix (1%) 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 · CyclopsMC/ColossalChests 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · CyclopsMC/ColossalChests 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.37,840,792 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.10.9 years, 399 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 31 latest files for recent Minecraft versions. See Security
    Total97 / 100

    69.2 of the 71 points that apply = 97 out of 100. The points above are rounded to whole numbers.

    Images

    • Multiblock chests
    • Iron Chests
    • Uncolossal Chest
    • Colossal Chest Core recipe
    • Structure requirements
    • Hollow center
    • Interact with core
    • Debugging
    • Scrolling Gui
    • Obsidian Colossal Chest
    • Upgrade tool
    • Downgrade tool
    • Chest Wall Recipe

    About

    Colossal Chests adds expandable storage built from hollow, cubic multiblock chests, letting you make the inventory as large as you need within the configured size limit. Each chest is assembled from wall blocks around an empty interior and must contain exactly one core, which holds the items and provides the main point for opening and connecting automation. Hoppers and pipes can connect at the core, and optional interface blocks let you add more connection points around the structure. Chest materials include wood, copper, iron, silver, gold, diamond, and obsidian; the metal tiers provide progressively larger inventories, while obsidian matches diamond capacity and resists explosions. Upgrade and downgrade tools change a chest to the adjacent material tier without dismantling it and preserve its inventory, although downgrading to a smaller capacity can cause excess items to pop out. The mod also includes a smaller Uncolossal Chest, and when Iron Chests is installed it can use that mod’s chest textures for its metal variants.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 4 blocks: Colossal Chest Wall, Colossal Chest Core, Colossal Chest Interface and Uncolossal Chest; 2 items: Chest Upgrade Tool and Chest Downgrade Tool; 28 recipes and 18 advancements.

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

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

    Often used with it

    See all 30
    Ender Storage 1.8.+CRefined StorageBThermal FoundationCImmersive EngineeringCBotaniaA

    Details

    Creator
    rubensworks
    License
    MIT License
    Downloads
    37.8M
    Created
    12 Nov 2015
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , 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 1.20.1. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. Only in its files for Forge 1.20.1.

    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 52 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.
      52 latest files: the newest file for each Minecraft version and loader. The answer above is about the 31 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 31 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 31 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

    AI was used for its code

    Claude Code is named in the files of its repository.

    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.
      A Claude Code file CLAUDE.mdPossible signThe tool was seen around the project. This does not show that it was used to make the files you download.: A AI instructions file (AGENTS.md) file AGENTS.mdWeak signA branch name only. It does not show that the tool was used.: A branch named like those Claude Code createsWeak signA branch name only. It does not show that the tool was used.: A branch named like those GitHub Copilot creates
    • 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
      36 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
      74 code files read

    Compatibility

    See all 399 files
    Fabric
    NeoForge
    Forge
    Quilt
    1.81.101.151.1926.1

    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.
    Cyclops CoreA
    OptionalProjects it can work with but does not need. The author lists them.
    Forge Config API Porton FabricA
    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 21 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    100500
    Oct 2024: 61 modpacksNov 2024: 58 modpacksDec 2024: 80 modpacksJan 2025: 84 modpacksFeb 2025: 63 modpacksMar 2025: 68 modpacksApr 2025: 78 modpacksMay 2025: 59 modpacksJun 2025: 64 modpacksJul 2025: 69 modpacksAug 2025: 62 modpacksSep 2025: 49 modpacksOct 2025: 48 modpacksNov 2025: 56 modpacksDec 2025: 70 modpacksJan 2026: 63 modpacksFeb 2026: 67 modpacksMar 2026: 68 modpacksApr 2026: 52 modpacksMay 2026: 63 modpacksJun 2026: 61 modpacksJul 2026: 64 modpacksAug 2026: 63 modpacksSep 2026: 67 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202461
    Nov 202458
    Dec 202480
    Jan 202584
    Feb 202563
    Mar 202568
    Apr 202578
    May 202559
    Jun 202564
    Jul 202569
    Aug 202562
    Sep 202549
    Oct 202548
    Nov 202556
    Dec 202570
    Jan 202663
    Feb 202667
    Mar 202668
    Apr 202652
    May 202663
    Jun 202661
    Jul 202664
    Aug 202663
    Sep 202667

    3,395 modpacks include Colossal Chests in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Roguelike Adventures and Dungeons7.6M downloadslast version with it 15 May 2026FTB Presents SkyFactory 36.8M downloadslast version with it 10 Dec 2021Vault Hunters Third Edition5.9M downloadslast version with it 28 Jul 2026StoneBlock5M downloadslast version with it 11 Oct 2026Crazy Craft Updated4.5M downloadslast version with it 18 Oct 2026All the Mods 3 - ATM33.1M downloadslast version with it 20 Jan 2022Modern Skyblock 3: Departed2.1M downloadslast version with it 25 Feb 2019SkyFactory 51.6M downloadslast version with it 11 Mar 2025Life in the village1.6M downloadslast version with it 27 May 2024World of Dragons (wod)1.3M downloadslast version with it 26 Dec 2025
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Ender Storage 1.8.+CModin 57% of the modpacks with Colossal ChestsRefined StorageBModin 54% of the modpacks with Colossal ChestsThermal FoundationCModin 53% of the modpacks with Colossal ChestsImmersive EngineeringCModin 52% of the modpacks with Colossal ChestsBotaniaAModin 51% of the modpacks with Colossal ChestsThermal ExpansionCModin 51% of the modpacks with Colossal ChestsMystical AgricultureAModin 51% of the modpacks with Colossal ChestsElevatorModAModin 50% of the modpacks with Colossal ChestsChisels & Bits - For ForgeBModin 50% of the modpacks with Colossal ChestsCooking for BlockheadsAModin 49% of the modpacks with Colossal Chests
    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, Quilt1.8.16-3221.8.16-322 · colossalchests-26.3-fabric-1.8.16-322.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge1.8.16-3221.8.16-322 · colossalchests-26.3-neoforge-1.8.16-322.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·Forge1.8.16-3221.8.16-322 · colossalchests-26.3-forge-1.8.16-322.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric, Quilt1.8.16-3051.8.16-305 · colossalchests-26.2-fabric-1.8.16-305.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge1.8.16-3051.8.16-305 · colossalchests-26.2-neoforge-1.8.16-305.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Forge1.8.16-3051.8.16-305 · colossalchests-26.2-forge-1.8.16-305.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·Fabric, Quilt1.9.11.9.1 · colossalchests-26.1.2-fabric-1.9.1.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·NeoForge1.9.11.9.1 · colossalchests-26.1.2-neoforge-1.9.1.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·Forge1.9.11.9.1 · colossalchests-26.1.2-forge-1.9.1.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.1·Fabric, Quilt1.8.141.8.14 · colossalchests-26.1.1-fabric-1.8.14.jarSends: None foundRequires:Cyclops CorePassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 52123456

    399 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.1.2·Fabric, Quilt1.9.1-201.9.1-20 · colossalchests-26.1.2-fabric-1.9.1-20.jar (main file)Beta·10 Oct 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 282.7 KB
    26.1.2·NeoForge1.9.1-201.9.1-20 · colossalchests-26.1.2-neoforge-1.9.1-20.jar (main file)Beta·10 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.8 KB
    26.1.2·Forge1.9.1-201.9.1-20 · colossalchests-26.1.2-forge-1.9.1-20.jar (main file)Beta·10 Oct 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.7 KB
    26.3The latest file for its Minecraft version and loader·NeoForge1.8.16-3221.8.16-322 · colossalchests-26.3-neoforge-1.8.16-322.jar (main file)Beta·21 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.3 KB
    26.3The latest file for its Minecraft version and loader·Fabric, Quilt1.8.16-3221.8.16-322 · colossalchests-26.3-fabric-1.8.16-322.jar (main file)Beta·21 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 284.2 KB
    26.3The latest file for its Minecraft version and loader·Forge1.8.16-3221.8.16-322 · colossalchests-26.3-forge-1.8.16-322.jar (main file)Beta·21 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.2 KB
    26.3·NeoForge1.8.16-3211.8.16-321 · colossalchests-26.3-neoforge-1.8.16-321.jar (main file)Beta·20 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.3 KB
    26.3·Forge1.8.16-3211.8.16-321 · colossalchests-26.3-forge-1.8.16-321.jar (main file)Beta·20 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.2 KB
    26.3·Fabric, Quilt1.8.16-3211.8.16-321 · colossalchests-26.3-fabric-1.8.16-321.jar (main file)Beta·20 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 284.2 KB
    26.3·Fabric, Quilt1.8.16-3181.8.16-318 · colossalchests-26.3-fabric-1.8.16-318.jar (main file)Beta·20 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 284.2 KB
    26.3·NeoForge1.8.16-3181.8.16-318 · colossalchests-26.3-neoforge-1.8.16-318.jar (main file)Beta·20 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.3 KB
    26.3·Forge1.8.16-3181.8.16-318 · colossalchests-26.3-forge-1.8.16-318.jar (main file)Beta·20 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.2 KB
    26.2The latest file for its Minecraft version and loader·NeoForge1.8.16-3051.8.16-305 · colossalchests-26.2-neoforge-1.8.16-305.jar (main file)Beta·18 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.9 KB
    26.2The latest file for its Minecraft version and loader·Fabric, Quilt1.8.16-3051.8.16-305 · colossalchests-26.2-fabric-1.8.16-305.jar (main file)Beta·18 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 285.4 KB
    26.2The latest file for its Minecraft version and loader·Forge1.8.16-3051.8.16-305 · colossalchests-26.2-forge-1.8.16-305.jar (main file)Beta·18 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.8 KB
    26.1.2·Fabric, Quilt1.9.1-3021.9.1-302 · colossalchests-26.1.2-fabric-1.9.1-302.jar (main file)Beta·10 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 282.7 KB
    26.1.2·NeoForge1.9.1-3021.9.1-302 · colossalchests-26.1.2-neoforge-1.9.1-302.jar (main file)Beta·10 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.8 KB
    26.1.2·Forge1.9.1-3021.9.1-302 · colossalchests-26.1.2-forge-1.9.1-302.jar (main file)Beta·10 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.7 KB
    26.2·NeoForge1.8.16-3011.8.16-301 · colossalchests-26.2-neoforge-1.8.16-301.jar (main file)Beta·7 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 286.9 KB
    26.2·Forge1.8.16-3011.8.16-301 · colossalchests-26.2-forge-1.8.16-301.jar (main file)Beta·7 Sep 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 275.8 KB
    1 to 20 of 39912345…20

    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

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • colossalchests-26.1.2-forge-1.8.16.jar6 May 2026…Added New Translations (#201) Fixed Fix crash when getting capabilities on the…