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    2,054,849 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 2026.269,417 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.

    Create : CROWNS

    Mod

    Generate power by heating water with nuclear energy.

    A91/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 170
    • ReleasesLatest 9 Jul

    Download

    crowns-1.21.1-2.2.5.jar Beta

    Released 9 Jul 2026 · 1.2 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • FormicAPIBMinecraft 1.21.1 · NeoForge (release 2.5.1)
    • CreateBMinecraft 1.21.1 · NeoForge (release 6.0.10)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker
    • Around for years

    Points lost

    • Releases replaced within 3 days to fix a problem−3 points
    • No release in 4 months−1 point
    • Some modpacks removed it−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      1 point lost26 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.4 months ago (9 Jul 2026) 11 / 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 NeoForge, 1.20.1 on Forge. 65% of the 995 popular NeoForge 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 12 of the last 24 months 6 / 6

    • Stability

      4 points lost18 / 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.21 of the 139 modpacks with two or more versions removed it in a later one (15%) See the 21 modpacks9 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.7 of its 32 releases in 2 years needed a quick fix (22%) See the 7 releases4 / 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 · RealAntEngineer/CROWNS 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · RealAntEngineer/CROWNS 3 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.197,305 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.22 months, 35 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in both latest files for recent Minecraft versions. See Security
    Total91 / 100

    64.5 of the 71 points that apply = 91 out of 100. The points above are rounded to whole numbers.

    Images

    • Thermal cycle
    • nuclear reactor
    • roadmap_corwns.png

    About

    Create: CROWNS is a Create addon for generating large amounts of SU with nuclear-powered plants. Its core process heats water to produce vapor, which drives turbines and can power a full thermal cycle with equipment such as compressors and cooling towers. The addon also simulates heat moving through nearby blocks, with temperature, thermal conductivity, and resilience values shaping how heat spreads and how materials return toward their default temperatures. These thermal properties can be defined for blocks, fluids, and biomes through datapacks, allowing the temperature system to account for the surrounding environment.

    Written from Modrinth , CurseForge and the GitHub README . How we write it

    In-game changes

    Changes the game's code in 1 area: Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    Adds 10 blocks, 11 items, 29 recipes and 1 sound.

    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
    Create: Copycats+ACreate: ConnectedACreate: Enchantment IndustryACreate Big CannonsACreate: The Factory Must GrowB

    Details

    Creator
    Engineer Colony
    License
    MIT License
    Downloads
    198K
    Created
    16 Dec 2024
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    Security

    No harmful code found

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

    What it can do on your computer

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

    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 3 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.
      3 latest files: the newest file for each Minecraft version and loader. The answer above is about the 2 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 · Both 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 both 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 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
      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
      56 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
      1 sound file 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
      150 code files read

    Compatibility

    See all 35 files
    NeoForge
    Forge
    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.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.
    FormicAPIBCreateB
    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 1.21.1. Many recently updated mods still support 1.21.1.

    Related projects

    Projects that need Create : CROWNS to work.

    ProjectTypeDownloadsGrade
    Create: CROWNS x Create: More burners CompatAMod41K downloadsCreate Nuclear TechCMod41K downloadsCreate CROWNS: Reindustrialized (a.k.a. CROWNS x TFMG)BResource pack6K downloadsCreate CROWNS: RetexturedAResource pack4.2K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    40200
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 1 modpackFeb 2025: 3 modpacksMar 2025: 1 modpackApr 2025: 13 modpacksMay 2025: 15 modpacksJun 2025: 8 modpacksJul 2025: 8 modpacksAug 2025: 9 modpacksSep 2025: 10 modpacksOct 2025: 5 modpacksNov 2025: 10 modpacksDec 2025: 6 modpacksJan 2026: 12 modpacksFeb 2026: 19 modpacksMar 2026: 19 modpacksApr 2026: 22 modpacksMay 2026: 27 modpacksJun 2026: 25 modpacksJul 2026: 29 modpacksAug 2026: 37 modpacksSep 2026: 24 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
    Nov 20240
    Dec 20240
    Jan 20251
    Feb 20253
    Mar 20251
    Apr 202513
    May 202515
    Jun 20258
    Jul 20258
    Aug 20259
    Sep 202510
    Oct 20255
    Nov 202510
    Dec 20256
    Jan 202612
    Feb 202619
    Mar 202619
    Apr 202622
    May 202627
    Jun 202625
    Jul 202629
    Aug 202637
    Sep 202624

    More modpacks put it in their new versions than a year ago: 27 a month now, 11 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..

    170 modpacks include Create : CROWNS in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Mystic's Monstrosity84K downloadslast version with it 29 Aug 2025Magitech Fantasia38K downloadslast version with it 3 May 2025Mystic's Monstrosity - Greedy Edition30K downloadslast version with it 21 Sep 2025Train Yard23K downloadslast version with it 20 Sep 2026Everything Create - Aeronautics19K downloadslast version with it 3 Jun 2026Create: Basically Everything16K downloadslast version with it 14 Aug 2026Create: Way Too Much11K downloadslast version with it 23 Feb 2025Delta's Just Give Me Features11K downloadslast version with it 19 Nov 2025Penumbralcraft8.9K downloadslast version with it 7 Feb 2025Create Nuclear Immersive (Create V6 ) 7.8K downloadslast version with it 5 Aug 2025
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Create: Copycats+AModin 80% of the modpacks with Create : CROWNSCreate: ConnectedAModin 76% of the modpacks with Create : CROWNSCreate: Enchantment IndustryAModin 74% of the modpacks with Create : CROWNSCreate Big CannonsAModin 71% of the modpacks with Create : CROWNSCreate: The Factory Must GrowBModin 66% of the modpacks with Create : CROWNSCreate DecoBModin 66% of the modpacks with Create : CROWNSCreate: Diesel GeneratorsAModin 61% of the modpacks with Create : CROWNSCreate: Bells & WhistlesCModin 61% of the modpacks with Create : CROWNSCreate Stuff 'N AdditionsAModin 61% of the modpacks with Create : CROWNSCreate Slice & DiceAModin 57% of the modpacks with Create : CROWNS
    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
    1.21.1·NeoForge2.2.52.2.5 · crowns-1.21.1-2.2.5.jarSends: None foundRequires:FormicAPI, CreatePassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge2.2.52.2.5 · crowns-1.20.1-2.2.5.jarSends: None foundRequires:Create, FormicAPIPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Forge0.40.4 · crowns-1.19.2-0.4.jarSends: None foundRequires:CreatePassedOur checks found nothing harmful in this file. Its code was read too.

    35 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.2.52.2.5 · crowns-1.21.1-2.2.5.jar (main file)Beta·9 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.20.1The latest file for its Minecraft version and loader·Forge2.2.52.2.5 · crowns-1.20.1-2.2.5.jar (main file)Beta·9 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.2.42.2.4 · crowns-1.21.1-2.2.4.jar (main file)Beta·7 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.20.1·Forge2.2.42.2.4 · crowns-1.20.1-2.2.4.jar (main file)Beta·7 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.20.1·Forge2.2.32.2.3 · crowns-1.20.1-2.2.3.jar (main file)Beta·22 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.2.32.2.3 · crowns-1.21.1-2.2.3.jar (main file)Beta·22 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.2.22.2.2 · crowns-1.21.1-2.2.2.jarBeta·20 Jun 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.20.1·Forge2.2.12.2.1 · crowns-1.20.1-2.2.1.jar (main file)Beta·11 Jun 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    1.21.1·NeoForge2.2.12.2.1 · crowns-1.21.1-2.2.1.jar (main file)Beta·11 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.1.72.1.7 · crowns-1.21.1-2.1.7.jar (main file)Beta·5 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.1.62.1.6 · crowns-1.21.1-2.1.6.jar (main file)Beta·27 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.1.52.1.5 · crowns-1.21.1-2.1.5.jar (main file)Beta·24 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.1.42.1.4 · crowns-1.21.1-2.1.4.jar (main file)Beta·22 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.20.1·Forge2.1.32.1.3 · crowns-1.20.1-2.1.3.jar (main file)Beta·1 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.21.1·NeoForge2.1.32.1.3 · crowns-1.21.1-2.1.3.jar (main file)Beta·31 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1.20.1·Forge2.1.12.1.1 · crowns-1.20.1-2.1.1.jar (main file)Beta·16 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.5 MB
    1.20.1·Forge2.12.1 · crowns-1.20.1-2.1.0.jarBeta·3 Feb 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 1.5 MB
    1.20.1·Forge1.6b1.6b · crowns-1.20.1_1.6b.jar (main file)Beta·21 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    1.20.1·Forge1.61.6 · crowns-1.20.1_1.6.jarBeta·15 Sep 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    1.21.1·NeoForge1.51.5 · crowns-1.21.1_1.5.jar (main file)Beta·8 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.2 MB
    1 to 20 of 3512

    Quick fixes

    In the last 2 years, 7 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 3 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.7

    • crowns-1.20.1-2.2.59 Jul 2026Fixed a steam current bug introduced in the 2.2.4 version…
    • crowns-1.21.1-2.2.322 Jun 2026fixed server side crash
    • crowns-1.21.1-2.1.627 Apr 2026…introduced a lower bound for the pressure fixing an SU exploit
    • crowns-1.21.1-2.1.524 Apr 2026bug fixes fixed issues with water model…
    • crowns-1.21.1_1.58 Sep 2025Bug fixes: fixed conflict with potion recipes…
    • 1.4c17 Aug 2025fixed issue with heat conduction removed new multiblock until…
    • crowns-1.20.1_1.12 Apr 2025bug fixes fixed huge lag with thermal conduction