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    2,059,027 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.641,484 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,688 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundWhat's newAPIAboutPrivacyTermsContact

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

    Ruins (Structure Spawning System)

    Mod

    A structure spawning system.

    Download

    Files come from CurseForge servers.

    ruins-26.3.1NF.jar

    Released 24 Sep 2026 · 274.9 KB

    Passed: our checks found nothing harmful in this file.

    Download
    A94/ 100
    Security
    Passed
    Privacy
    None found
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 26.3
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 26.3
    • ModpacksIn 3,211
    • ReleasesLatest 24 Sep
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

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

    Points lost

    • Many modpacks removed it−4 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.5 weeks ago (24 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 Forge and NeoForge (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

      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.79 of the 345 modpacks with two or more versions removed it in a later one (23%) See the 79 modpacks6 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.No quick fix in 2 years 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 points7 / 7
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · AtomicStryker/atomicstrykers-minecraft-mods 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.Does not apply. Not counted for projects only on CurseForge.

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.30,060,646 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.11.7 years, 100 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 25 latest files for recent Minecraft versions. See Security
    Total94 / 100

    63.7 of the 68 points that apply = 94 out of 100. The points above are rounded to whole numbers.

    Images

    • Structure 11
    • Structure 10
    • Structure 9
    • Structure 8
    • Structure 7
    • Structure 6
    • Structure 5
    • structure 4
    • Structure 3
    • Structure 2
    • Structure 1

    About

    Ruins adds structures to Minecraft worlds as they generate, much like villages or strongholds. Its included creations range from buildings and towers to statues, with each structure defined by a template and configured to spawn under specific conditions. Players can change those conditions and use the in-game template parser to export structures they have built.

    Written from CurseForge . How we write it

    In-game changes

    Adds no new blocks, items or other content.

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

    Details

    Creator
    atomicstrykergrumpy
    License
    Custom license
    Downloads
    30.1M
    Created
    17 Feb 2015
    Official page
    CurseForge
    Links
    Source code

    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. 2 files in your config folder.

    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 25 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.
      36 latest files: the newest file for each Minecraft version and loader. The answer above is about the 25 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
    • 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 25 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 25 files, for recent Minecraft versions. See each file in Releases

    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 · 5 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.
      Not on Modrinth.
    • 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
      37 code files read

    Compatibility

    See all 100 files
    NeoForge
    Forge
    Loader not stated
    1.61.91.141.181.2126.2

    Point at or tap a version to see its loaders.

    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 7 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
    40200
    Oct 2024: 15 modpacksNov 2024: 16 modpacksDec 2024: 19 modpacksJan 2025: 26 modpacksFeb 2025: 29 modpacksMar 2025: 23 modpacksApr 2025: 24 modpacksMay 2025: 21 modpacksJun 2025: 22 modpacksJul 2025: 28 modpacksAug 2025: 35 modpacksSep 2025: 20 modpacksOct 2025: 19 modpacksNov 2025: 26 modpacksDec 2025: 35 modpacksJan 2026: 24 modpacksFeb 2026: 27 modpacksMar 2026: 25 modpacksApr 2026: 26 modpacksMay 2026: 26 modpacksJun 2026: 31 modpacksJul 2026: 32 modpacksAug 2026: 27 modpacksSep 2026: 24 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202415
    Nov 202416
    Dec 202419
    Jan 202526
    Feb 202529
    Mar 202523
    Apr 202524
    May 202521
    Jun 202522
    Jul 202528
    Aug 202535
    Sep 202520
    Oct 202519
    Nov 202526
    Dec 202535
    Jan 202624
    Feb 202627
    Mar 202625
    Apr 202626
    May 202626
    Jun 202631
    Jul 202632
    Aug 202627
    Sep 202624

    3,211 modpacks include Ruins (Structure Spawning System) in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    RLCraft30.4M downloadslast version with it 27 Jun 2023MC Eternal4.9M downloadslast version with it 30 Jul 2020Dungeons, Dragons and Space Shuttles3M downloadslast version with it 8 Oct 2020Rebirth of the Night (RotN)1.3M downloadslast version with it 19 Apr 2021Divine Journey 2965K downloadslast version with it 6 Jun 2026MC Eternal Lite912K downloadslast version with it 10 Oct 2020HardRock TerraFirmaCraft 3 - extreme realistic survival821K downloadslast version with it 16 Jan 2020FTB Mage Quest632K downloadslast version with it 13 Nov 2015Naruto Modpack ++ : All Mods Plus454K downloadslast version with it 29 Dec 2021Jurassic World Reborn II438K downloadslast version with it 3 Sep 2022
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Ruins (Structure Spawning System). Share: how many of the modpacks with Ruins (Structure Spawning System) also have that mod.

    ProjectTypeShareGrade
    ChiselCModin 62% of the modpacks with Ruins (Structure Spawning System)Inventory Tweaks [1.12 only]-Modin 61% of the modpacks with Ruins (Structure Spawning System)BetterFpsCModin 60% of the modpacks with Ruins (Structure Spawning System)Pams HarvestCraftDModin 58% of the modpacks with Ruins (Structure Spawning System)Roguelike DungeonsAModin 53% of the modpacks with Ruins (Structure Spawning System)BiblioCraftDModin 50% of the modpacks with Ruins (Structure Spawning System)Extra UtilitiesDModin 48% of the modpacks with Ruins (Structure Spawning System)FoamFixCModin 45% of the modpacks with Ruins (Structure Spawning System)Thermal FoundationCModin 44% of the modpacks with Ruins (Structure Spawning System)BotaniaAModin 44% of the modpacks with Ruins (Structure Spawning System)
    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·NeoForge26.3.1NF26.3.1NF · ruins-26.3.1NF.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·Forge26.3.126.3.1 · ruins-26.3.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge26.2.1NF26.2.1NF · ruins-26.2.1NF.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Forge26.2.126.2.1 · ruins-26.2.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·NeoForge26.1.2.2NF26.1.2.2NF · ruins-26.1.2.2NF.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·Forge26.1.2.126.1.2.1 · ruins-26.1.2.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.1·NeoForge26.1.1.1NF26.1.1.1NF · ruins-26.1.1.1NF.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.1·Forge26.1.1.126.1.1.1 · ruins-26.1.1.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge1.21.11.1NF1.21.11.1NF · ruins-1.21.11.1NF.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·Forge1.21.11.11.21.11.1 · ruins-1.21.11.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 361234

    100 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·NeoForge26.3.1NF26.3.1NF · ruins-26.3.1NF.jar·24 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 274.9 KB
    26.3The latest file for its Minecraft version and loader·Forge26.3.126.3.1 · ruins-26.3.1.jar·24 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 269.3 KB
    26.2The latest file for its Minecraft version and loader·NeoForge26.2.1NF26.2.1NF · ruins-26.2.1NF.jar·25 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 274.4 KB
    26.2The latest file for its Minecraft version and loader·Forge26.2.126.2.1 · ruins-26.2.1.jar·24 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 268.8 KB
    26.1.2The latest file for its Minecraft version and loader·NeoForge26.1.2.2NF26.1.2.2NF · ruins-26.1.2.2NF.jar·17 May 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 274.4 KB
    26.1.2·NeoForge26.1.2.1NF26.1.2.1NF · ruins-26.1.2.1NF.jar·10 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 274.5 KB
    26.1.2The latest file for its Minecraft version and loader·Forge26.1.2.126.1.2.1 · ruins-26.1.2.1.jar·10 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 268.8 KB
    26.1.1The latest file for its Minecraft version and loader·Forge26.1.1.126.1.1.1 · ruins-26.1.1.1.jar·3 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 268.8 KB
    26.1.1The latest file for its Minecraft version and loader·NeoForge26.1.1.1NF26.1.1.1NF · ruins-26.1.1.1NF.jar·3 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 274.5 KB
    1.21.11The latest file for its Minecraft version and loader·NeoForge1.21.11.1NF1.21.11.1NF · ruins-1.21.11.1NF.jar·10 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 274.1 KB
    1.21.11The latest file for its Minecraft version and loader·Forge1.21.11.11.21.11.1 · ruins-1.21.11.1.jar·10 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 268.5 KB
    1.21.10The latest file for its Minecraft version and loader·Forge1.21.10.21.21.10.2 · ruins-1.21.10.2.jar·20 Oct 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 268.3 KB
    1.21.10·Forge1.21.10.21.21.10.2 · ruins-1.21.10.2.jar·20 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 268.0 KB
    1.21.10The latest file for its Minecraft version and loader·NeoForge1.21.10.1NF1.21.10.1NF · ruins-1.21.10.1NF.jar·11 Oct 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 273.9 KB
    1.21.10·Forge1.21.10.11.21.10.1 · ruins-1.21.10.1.jar·11 Oct 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 268.4 KB
    1.21.8The latest file for its Minecraft version and loader·NeoForge1.21.8.1NF1.21.8.1NF · ruins-1.21.8.1NF.jar·28 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 273.8 KB
    1.21.8The latest file for its Minecraft version and loader·Forge1.21.8.11.21.8.1 · ruins-1.21.8.1.jar·27 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 267.9 KB
    1.21.7The latest file for its Minecraft version and loader·NeoForge1.21.7.1NF1.21.7.1NF · ruins-1.21.7.1NF.jar·1 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 273.9 KB
    1.21.6The latest file for its Minecraft version and loader·NeoForge1.21.6.1NF1.21.6.1NF · ruins-1.21.6.1NF.jar·1 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 273.9 KB
    1.21.7The latest file for its Minecraft version and loader·Forge1.21.7.11.21.7.1 · ruins-1.21.7.1.jar·1 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 267.8 KB
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