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    2,080,784 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 28 Oct 2026.659,937 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 28 Oct 2026.271,520 projects gradedProjects with a letter from A to F. Counted on 28 Oct 2026.

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

    New:Sim-U-Kraft

    Mod

    Build a town and hire residents to construct buildings for you.

    Download

    Files come from Modrinth and CurseForge servers.

    New-Sim-U-Kraft-2.2.0-neoforge-1.21.1.jar

    Released 14 Aug 2026 · 18.2 MB

    Passed: our checks found nothing harmful in this file.

    Download
    A90/ 100
    Security
    Passed
    Privacy
    Sends data
    Runs on
    Client and server
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.21.1
    • OverviewA
    • SecurityPassed
    • PrivacySends data
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 2
    • ReleasesLatest 14 Aug
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Stable releases
    • Public source code and issue tracker

    Points lost

    • First release only 6 months ago−4 points
    • Under 5 million downloads−1 point
    All 11 criteria
    • Maintenance

      Full points21 / 21
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.2 months ago (14 Aug 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.1.21.1 on NeoForge, 1.20.1 on Forge. 65% of the 990 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.Does not apply. The project is under 6 months old.
    • Stability

      Full points5 / 5
      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.Not measured yet.
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Does not apply. The project is under 6 months old.
      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 · menglannnn/NewSim_U_Kraft-1.20.1-2be9aa29a4e7d3ad17903a372d05626b51290911 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · New-Sim-U-Kraft/New-Simukraft-1.21.1 3 / 3
    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.423,406 3 / 4
    • Track record

      4 points lost4 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.6 months, 12 releases 4 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 4 latest files for recent Minecraft versions. See Security
    Total90 / 100

    43.3 of the 48 points that apply = 90 out of 100. The points above are rounded to whole numbers.

    Images

    • Building
    • Farming
    • Logistics

    About

    New:Sim-U-Kraft is a city-building and NPC life-simulation mod about founding a town, claiming land, and growing a settlement into a working city. Create a city with a City Core, manage its land and funds, and use the Build Box to choose and preview buildings before hired builders gather materials and construct them. Hire citizens for roles such as building, planning, farming, commerce, industry, and logistics, then develop homes, farms, shops, factories, and warehouses linked by item routes. Citizens have daily routines that include working, eating, resting, and going home, while the city’s chunk ownership is tied to worker assignments, residences, and which control boxes can be operated. The mod also includes city funds and transfers, banking and commercial systems, and interfaces for agriculture, mining, industry, logistics, citizens, and city maps. It is designed for both singleplayer and dedicated servers, with optional city highlighting support for Xaero’s World Map.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 11 areas:

    • Inventory and itemsChanges 4 game code files in this area: ChestBlockEntity, ChestMenu, MilkBucketItem and ShulkerBoxMenu. The area covers items, chests and other containers, crafting and enchanting.: chests, milk buckets and 2 more
    • World renderingChanges 3 game code files in this area: Frustum, SectionOcclusionGraph and BlockRenderDispatcher. The area covers drawing the terrain, sky, clouds and weather.: how blocks are drawn, what the camera can see, SectionOcclusionGraph
    • Rendering and graphicsChanges 2 game code files in this area: Camera and GameRenderer. The area covers drawing mobs, items, particles and textures on screen.: the code that draws each frame, the camera
    • Game optionsChanges 2 game code files in this area: KeyboardHandler and MouseHandler. The area covers settings, key bindings and the option screens.: mouse input, keyboard input
    • Mobs and their behaviorChanges 2 game code files in this area: LivingEntity and Entity. The area covers mobs, animals, villagers, projectiles and how they move and act.: living creatures in general, entities in general
    • User interfaceChanges 2 game code files in this area: Screen and AbstractContainerScreen. The area covers menus, screens, tooltips, the chat window and the in-game overlay.: the screens of chests and other containers, menu screens in general
    • Chunk loading and storageChanges 1 game code file in this area: ChunkMap. The area covers how the game loads, tracks, saves and unloads chunks.: chunk loading on the server
    • PlayerChanges 1 game code file in this area: ServerPlayer. The area covers your character: movement, abilities, hunger and controls.: the player on the server
    • Networking and multiplayerChanges 1 game code file in this area: ServerGamePacketListenerImpl. The area covers connections, the server list and what is sent between your game and a server.: what the server does with messages from players
    • Blocks and fluidsChanges 1 game code file in this area: EnderChestBlockEntity. The area covers how blocks, fluids and redstone work.: EnderChestBlockEntity
    • Game coreChanges 1 game code file in this area: Minecraft. The area covers the main loop, lighting and other code the whole game uses.: the game's main class

    Adds:

    • 26 blocksNSUK Blue Light Block, NSUK Build Box, NSUK Cheese Block, NSUK City Core Block, NSUK Commercial Control Box, NSUK Green Light Block, NSUK Industrial Control Box, NSUK Industrial Housing and 18 more. Blocks with their own name, checked against the block files.
    • 11 itemsNSUK Cheese Burger, NSUK Cheese Chunk, NSUK Deep Drill Bit, NSUK Drill Rod Segment, NSUK French Fries, NSUK Geological Hammer, NSUK Gold Coin, NSUK Hamburger and 3 more. Items with their own name, not counting blocks, checked against the item files.
    • 18 recipes
    • 7 advancements
    • 10 sounds

    Counted from the files of the mod. Content made only in its code is not counted.

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

    Details

    Creators
    NSUK新模拟大都市开发组 (menglan, mckafei_CN and MC_XiaoLiangdd)
    License
    GNU General Public License v3.0 only
    Downloads
    424K
    Created
    3 May 2026
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    Security

    No harmful code found

    We checked its files and read their code.

    What it can do on your computer

    Starts other programs
    It can start another program on your computer, for example to open a link in your browser. In a bundled library, sqlite-jdbc.
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 1 file in your config folder.
    Uses folders outside the game
    It can read or write files outside your Minecraft folder, on the rest of your computer. Only in its files for Forge 1.20.1.
    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

    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 4 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. Fixed rules tell what is harmful.
      4 latest files: the newest file for each Minecraft version and loader. All 4 are 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. This shows what it downloads, what it sends and where your login goes.
      Read
    • 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.
    • Starts other programs
      Can run system commands.In the classes ProcessRunner and OSInfo.
    • Creates settings files
      In the classes SimuKraftClientUiPreferences, ServerConfig and PathCostConfigLoader.
    • Connects to the internet
      In the classes ClientEvents, SQLiteEmploymentRepository and MiningWorkService.
    • Looked for, not foundWe looked for these in the file and did not find them.
      Updating itself, the webcam or microphone, an AI service.

    Privacy

    Sends data we could not identify

    Sent to an address built while the game runs.

    Only some of its files send data we could not identify.

    We found this in its code.

    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 4 files read
    • Files readWe read the code. 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 4 files, for recent Minecraft versions. See each file in Releases
    • Address built while the game runsThe code builds this address while the game runs: it is not written in the file.
      Purpose not known.
      Data we could not identify: the code sends something, but not a kind of data our checks can name
    • 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 README.
      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
      12 of 20 changelogs read
    • Its filesCredits and texts in the files you download that name an AI tool.
      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
      173 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
      9 sounds read
    • Code of the modWhat we read in the code and files of the mod: 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
      1,056 code files read

    Compatibility

    See all 12 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.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    LanguagesThe languages the text in the game is available in, from the language files of its latest files we checked. A language file can translate only part of the text.English and 简体中文
    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 New:Sim-U-Kraft to work.

    ProjectTypeDownloadsGrade
    nsukchatCMod2.7K downloadsNSUKDelightCropAddonsDMod94 downloadsNSUK-Kaleidoscope_Crop_AddonsDMod92 downloads

    Modpacks using this project

    Find modpacks with it

    Modpacks that include New:Sim-U-Kraft in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    GloveCraft Life351 downloadslast version with it 10 Sep 2026Neo Metropolis: Bountiful148 downloadslast version with it 23 Aug 2026

    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·NeoForge2.2.02.2.0 · New-Sim-U-Kraft-2.2.0-neoforge-1.21.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge2.0.1-fix2.0.1-fix · New-Sim-U-Kraft-2.0.1-fix-neoforge-1.21.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge2.0.12.0.1 · New-Sim-U-Kraft-2.0.1-neoforge-1.21.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.1.0-fix-v11.1.0-fix-v1 · simukraft-1.1.0-fix-v1-1.20.1.jarSends: Data we could not identifyRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    12 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.2.02.2.0 · New-Sim-U-Kraft-2.2.0-neoforge-1.21.1.jar (main file)·14 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 18.2 MB
    1.21.1·NeoForge2.1.02.1.0 · New-Sim-U-Kraft-2.1.0-neoforge-1.21.1.jar (main file)·2 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 17.6 MB
    1.21.1The latest file for its Minecraft version and loader·NeoForge2.0.1-fix2.0.1-fix · New-Sim-U-Kraft-2.0.1-fix-neoforge-1.21.1.jar (main file, 1 other file in this version not shown)·3 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 17.1 MB
    1.20.1 to 1.21.11.20.1 to 1.21.1The latest file for its Minecraft version and loader·Forge2.0.12.0.1 · New-Sim-U-Kraft-2.0.1-neoforge-1.21.1.jar (main file, 1 other file in this version not shown)·2 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 17.1 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.1.0-fix-v11.1.0-fix-v1 · simukraft-1.1.0-fix-v1-1.20.1.jar (main file)·2 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.8 MB
    1.20.1·Forge1.1.0-1.20.1forge1.1.0-1.20.1forge · simukraft-1.1.0-1.20.1forge.jar (main file)·1 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 30.8 MB
    1.21.1·NeoForge2.0.02.0.0 · New-Sim-U-Kraft-2.0.0-neoforge-1.21.1.jar (main file)·1 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 17.0 MB
    1.20.1·Forge1.1.0v6-beta1.1.0v6-beta · simukraft-1.1.0v6-beta-forge 1.20.1.jar (main file)Beta·29 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 30.6 MB
    1.20.1·Forge1.0.5b3-fix1.0.5b3-fix · simukraft-1.0.5b3-fix.jar (main file)Beta·18 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 24.2 MB
    1.20.1·Forge1.0.5b2-fix0.21.0.5b2-fix0.2 · simukraft-1.0.5b2-fix0.2.jar (main file)Beta·18 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 24.0 MB
    1.20.1·Forge1.0.5b1-fix1.0.5b1-fix · simukraft-1.0.5b1-fix.jar (main file)Beta·14 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 24.0 MB
    1.20.1·Forge1.0.4b1-fix-51.0.4b1-fix-5 · NewSim-U-Kraft-1.0.4b1-fix-5.jar (main file)Beta·3 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 4.3 MB