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

    Hollowmarch

    Mod

    Find handcrafted structures and face new dangers across varied biomes.

    C67/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 65
    • ReleasesLatest 1 Jul

    Download

    hollowmarch-1.3.0-mc1.21.1-neoforge.jar

    Released 1 Jul 2026 · 3.0 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed

    Points lost

    • No source code link−7 points
    • First release only 6 months ago−5 points
    • No public issue tracker−3 points
    • Some modpacks removed it−2 points
    • No release in 4 months−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      1 point lost20 / 21
      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 (1 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. 15% or more of the popular 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

      2 points lost13 / 15
      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.9 of the 54 modpacks with two or more versions removed it in a later one (17%) See the 9 modpacks8 / 10
      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

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.63,281 3 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.6 months, 17 releases 3 / 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
    Total67 / 100

    39.1 of the 58 points that apply = 67 out of 100. The points above are rounded to whole numbers.

    Images

    • New Armor
    • New Items
    • New Mobs
    • what is this?
    • New Structures
    • New Structures
    • New Structures

    About

    Hollowmarch is an exploration-focused mod that adds handcrafted, biome-linked structures, custom hostile mobs, atmospheric encounters, and expanded world generation to make exploration more rewarding. Its structures include the Cursed Mansion in gloomy forests, the Desert Obelisk and Palm Haven in arid regions, the Frozen Igloo in snowy biomes, the Jungle Obelisk in tropical growth, the Lighthouse and Shell House on coasts, and the Phantome Nest in eerie forested places. Other discoveries include the pirate-themed Pirates Fall, the hostile Raid Camp, the underwater Sea Obelisk, the rugged Stone Spire, Sultan's Bazaar with villagers and traders, the airborne Cloudbreaker with engineers and loot, the roadside Traveler Obelisk, and the forest fortress called Twin Keep. Structures offer exploration rewards and loot, alongside unique items, custom enchantments with distinctive effects, and new paintings for decorating builds. The mod supports compatibility with biome mods, including Terralith.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 1 area: User interfaceChanges 2 game code files in this area: menus, screens, tooltips, the chat window and the in-game overlay..

    Adds 54 blocks, 41 items, 7 mobs, 17 structures, 5 enchantments, 16 paintings, 68 recipes, 1 advancement, 68 loot tables, 1 sound and 1 key binding.

    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
    AmendmentsASophisticated StorageARelicsAL_Ender's CataclysmBIron's Spells 'n SpellbooksA

    Details

    Creator
    ouheaddd
    License
    MIT License
    Downloads
    63K
    Created
    5 May 2026
    Official pages
    Modrinth , CurseForge
    Links
    Discord

    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 · Both 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.
      2 latest files: the newest file for each Minecraft version and loader. Both 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, 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 description, files, images and sounds and found none.

    We have not read its changelogs 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.
    • 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 in the description
      Changelogs not read yet
    • 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
      155 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
      180 code files read

    Compatibility

    See all 17 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.
    Moonlight Libon ForgeASupplementarieson ForgeA
    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.

    Modpacks using this project

    Find modpacks with it

    65 modpacks include Hollowmarch in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    SUPERIOR - RPG513K downloadslast version with it 3 Jun 2026Modded Together138K downloadslast version with it 24 Sep 2026VampireReborn20K downloadslast version with it 21 Jun 2026Create Echoes of the Great Derailment5.8K downloadslast version with it 19 Jul 2026The Oblivion RP4.9K downloadslast version with it 7 Aug 2026SKD MineColonies3.8K downloadslast version with it 8 May 2026Goldens Changed2.6K downloadslast version with it 12 Oct 2026Create & Conquer1.5K downloadslast version with it 19 Oct 2026The Adventure of 1000 - Hunters of Evil1.1K downloadslast version with it 12 Jun 2026Age Of TitansV21K downloadslast version with it 23 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AmendmentsAModin 71% of the modpacks with HollowmarchSophisticated StorageAModin 62% of the modpacks with HollowmarchRelicsAModin 60% of the modpacks with HollowmarchL_Ender's CataclysmBModin 60% of the modpacks with HollowmarchIron's Spells 'n SpellbooksAModin 58% of the modpacks with HollowmarchBosses'RiseCModin 57% of the modpacks with HollowmarchAllTheLeaks (Memory Leak Fix)AModin 55% of the modpacks with HollowmarchMowzie's MobsBModin 55% of the modpacks with HollowmarchsparkAModin 55% of the modpacks with HollowmarchRibbitsBModin 54% of the modpacks with Hollowmarch
    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·NeoForge1.3.01.3.0 · hollowmarch-1.3.0-mc1.21.1-neoforge.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.3.01.3.0 · hollowmarch-1.3.0-mc1.20.1-forge.jarSends: None foundRequires:Moonlight Lib, SupplementariesMoonlight Lib, SupplementariesPassedOur checks found nothing harmful in this file. Its code was read too.

    17 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.3.01.3.0 · hollowmarch-1.3.0-mc1.21.1-neoforge.jar (main file)·1 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.3.01.3.0 · hollowmarch-1.3.0-mc1.20.1-forge.jar (main file)·1 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.1 MB
    1.20.1·Forge1.2.21.2.2 · hollowmarch-1.2.2-mc1.20.1-forge.jar (main file)·11 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.21.1·NeoForge1.2.21.2.2 · hollowmarch-1.2.2-mc1.21.1-neoforge.jar (main file)·11 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.9 MB
    1.21.1·NeoForge1.2.11.2.1 · hollowmarch-1.2.1-mc1.21.1-neoforge.jar (main file)·5 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.9 MB
    1.20.1·Forge1.2.11.2.1 · hollowmarch-1.2.1-mc1.20.1-forge.jar (main file)·5 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.20.1·Forge1.2.01.2.0 · hollowmarch-1.2.0-mc1.20.1-forge.jar (main file)·28 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.0 MB
    1.21.1·NeoForge1.2.01.2.0 · hollowmarch-1.2.0-mc1.21.1-neoforge.jar (main file)·28 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.9 MB
    1.21.1·NeoForge1.1.2b-fix1.1.2b-fix · hollowmarch-1.1.2b-mc1.21.1-neoforge.jar (main file)·15 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.20.1·Forge1.1.21.1.2 · hollowmarch-1.1.2-mc1.20.1-forge.jar (main file)·15 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.21.1·NeoForge1.1.21.1.2 · hollowmarch-1.1.2-mc1.21.1-neoforge.jar (main file)·15 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.20.1·Forge1.1.11.1.1 · hollowmarch-1.1.1-mc1.20.1-forge.jar (main file)·9 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.21.1·NeoForge1.1.11.1.1 · hollowmarch-1.1.1-mc1.21.1-neoforge.jar (main file)·9 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.21.1·NeoForge1.1.01.1.0 · hollowmarch-1.1.0-mc1.21.1-neoforge.jar (main file)·8 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.20.1·Forge1.1.01.1.0 · hollowmarch-1.1.0-mc1.20.1-forge.jar (main file)·8 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.6 MB
    1.20.1·Forge1.0.01.0.0 · hollowmarch-1.0.0-mc1.20.1-forge.jar (main file)·5 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.4 MB
    1.21.1·NeoForge1.0.01.0.0 · hollowmarch-1.0.0-mc1.21.1-neoforge.jar (main file)·5 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.4 MB