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    2,055,424 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 2026.269,392 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.

    Obstruction

    Mod

    A lurking creature watches you and hunts you through your world.

    D63/ 100
    • OverviewD
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.1
    • ModpacksIn 51
    • ReleasesLatest 31 Jan

    Download

    mojangsecurityentity-1.4.3.jar

    Released 13 Jun 2025 · 8.5 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade D

    How grades work

    Strengths

    • Security checks passed
    • Widely used

    Points lost

    • No release in 9 months−13 points
    • No source code link−7 points
    • Many modpacks removed it−5 points
    All 11 criteria
    • Maintenance

      8 points lost19 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.9 months ago (31 Jan 2026) 4 / 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.1.20.1 on Forge. 15% or more of the popular mods updated in the last 6 months also have files for 1.20.1. 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 11 of the last 24 months 6 / 6
    • Stability

      5 points lost17 / 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.11 of the 44 modpacks with two or more versions removed it in a later one (25%) See the 11 modpacks5 / 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

      7 points lost0 / 7
      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.Does not apply. CurseForge links are not in our data.
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.909,032 4 / 4
    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.1 years, 34 releases 3 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in the latest file for recent Minecraft versions. See Security
    Total63 / 100

    42.9 of the 68 points that apply = 63 out of 100. The points above are rounded to whole numbers.

    Images

    • Your friend.
    • Your friend griefs!
    • Your friend builds!

    About

    Obstruction is a Minecraft horror mod inspired by Minecraft ARGs set in the game’s Alpha era, centered on a hostile entity disguised as a friendly Mojang security entity. The entity watches the player and appears only occasionally, with randomly placed structures; it may also grief the world using explosives or fire, or build as though it were a novice player. If it interacts with you, it can teleport you to the ALPHAMULTIPLAYERLOBBY, while encounters in the world call for hiding behind blocks or fleeing from its silent charge. The mod also sends players to a dimension where ordinary blocks can be broken but other blocks cannot, and motionless entities are common; avoid a slightly different entity that stares at you. To leave that dimension, find an exit structure and right-click its X block, which returns you to the overworld and cannot be reused.

    Written from CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 6 blocks, 17 items, 15 mobs, 4 biomes, 3 dimensions, 15 structures, 3 advancements and 6 sounds.

    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
    From The FogAThe KnockerBThe Anomaly RephasedCEssential ModBSodium Dynamic LightsC

    Details

    Creator
    LionSwordLeo
    License
    Not known
    Downloads
    909K
    Created
    29 Aug 2024
    Official page
    CurseForge

    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 15 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. The answer above is about the one for a recent version. 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 · Its one file 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 its one file, 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 sounds 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.
    • 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
      34 of 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
      30 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
      10 sounds 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
      154 code files read

    Compatibility

    See all 34 files
    Forge
    1.191.2126.1

    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.It has no file for Minecraft versions newer than 1.20.1. Many recently updated mods still support 1.20.1.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 2 modpacksNov 2024: 4 modpacksDec 2024: 5 modpacksJan 2025: 5 modpacksFeb 2025: 7 modpacksMar 2025: 6 modpacksApr 2025: 11 modpacksMay 2025: 12 modpacksJun 2025: 7 modpacksJul 2025: 3 modpacksAug 2025: 5 modpacksSep 2025: 6 modpacksOct 2025: 2 modpacksNov 2025: 3 modpacksDec 2025: 4 modpacksJan 2026: 4 modpacksFeb 2026: 6 modpacksMar 2026: 5 modpacksApr 2026: 4 modpacksMay 2026: 1 modpackJun 2026: 2 modpacksJul 2026: 3 modpacksAug 2026: 3 modpacksSep 2026: 1 modpack
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20242
    Nov 20244
    Dec 20245
    Jan 20255
    Feb 20257
    Mar 20256
    Apr 202511
    May 202512
    Jun 20257
    Jul 20253
    Aug 20255
    Sep 20256
    Oct 20252
    Nov 20253
    Dec 20254
    Jan 20264
    Feb 20266
    Mar 20265
    Apr 20264
    May 20261
    Jun 20262
    Jul 20263
    Aug 20263
    Sep 20261

    Fewer modpacks put it in their new versions than a year ago: 2 a month now, 7 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..

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

    ModpackDownloadsLast version with it
    DREAD - A Horror Survival Pack2.4M downloadslast version with it 18 Jan 2025Endless Horror - The ULTIMATE Horror Experience1.5M downloadslast version with it 10 Sep 2026Psychocraft Horror139K downloadslast version with it 15 Feb 2025Minecraft VHS 127K downloadslast version with it 18 Jan 2025Psychological horror experience105K downloadslast version with it 30 Apr 2025Pathways.jar44K downloadslast version with it 3 Jun 2025Unlimited Horror - The Complete Horror Experience8.1K downloadslast version with it 27 Jul 2026Analog Horror7.9K downloadslast version with it 19 Dec 2024FEAR 0F DEATH7.4K downloadslast version with it 14 Sep 2026VHSWORLD7.2K downloadslast version with it 6 Apr 2025
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    From The FogAModin 69% of the modpacks with ObstructionThe KnockerBModin 65% of the modpacks with ObstructionThe Anomaly RephasedCModin 63% of the modpacks with ObstructionEssential ModBModin 59% of the modpacks with ObstructionSodium Dynamic LightsCModin 57% of the modpacks with ObstructionIn Your WorldDModin 53% of the modpacks with ObstructionThe End of HerobrineCModin 51% of the modpacks with ObstructionThe Man From The FogCModin 49% of the modpacks with ObstructionBetter Fps - Render DistanceBModin 49% of the modpacks with ObstructionWho's There?: Ghost PlayersAModin 47% of the modpacks with Obstruction
    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
    1.20.1·Forge1.4.31.4.3 · mojangsecurityentity-1.4.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Forge1.5.11.5.1 · mojangsecurityentity-1.5.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    34 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.19.2The latest file for its Minecraft version and loader·Forge1.5.11.5.1 · mojangsecurityentity-1.5.1.jar·31 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 19.5 MB
    1.19.2·Forge1.4.41.4.4 · mojangsecurityentity-1.4.4.jar·23 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 19.5 MB
    1.19.2·Forge1.4.2-31.4.2-3 · mojangsecurityentity-1.4.2-3.jar·13 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.4.31.4.3 · mojangsecurityentity-1.4.3.jar·13 Jun 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.19.2·Forge1.4.2-21.4.2-2 · mojangsecurityentity-1.4.2-2.jar·29 May 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.20.1·Forge1.4.21.jar1.4.21.jar · mojangsecurityentity-1.4.21.jar·19 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.19.2·Forge1.4.211.4.21 · mojangsecurityentity-1.4.21.jar·19 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.20.1·Forge1.4.2.jar1.4.2.jar · mojangsecurityentity-1.4.2.jar·3 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.19.2·Forge1.4.21.4.2 · mojangsecurityentity-1.4.2.jar·29 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.19.2·Forge1.4.11.4.1 · mojangsecurityentity-1.4.1.jar·26 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.5 MB
    1.19.2·Forge1.4.0a11.4.0a1 · mojangsecurityentity-1.4.0a1.jarAlpha·24 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Alpha · 8.3 MB
    1.19.2·Forge1.3.11.3.1 · mojangsecurityentity-1.3.1.jar·27 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.2 MB
    1.19.2·Forge1.3.011.3.01 · mojangsecurityentity-1.3.01.jar·3 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.2 MB
    1.19.2·Forge1.3.01.3.0 · mojangsecurityentity-1.3.0.jar·28 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.2 MB
    1.19.2·Forge1.2.91.2.9 · mojangsecurityentity-1.2.9.jar·24 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.2 MB
    1.19.2·Forge1.2.81.2.8 · mojangsecurityentity-1.2.8.jar·22 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.2 MB
    1.19.2·Forge1.2.71.2.7 · mojangsecurityentity-1.2.7.jar·8 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 9.0 MB
    1.19.2·Forge1.2.661.2.66 · mojangsecurityentity-1.2.66.jar·28 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 9.0 MB
    1.19.2·Forge1.2.6-300-celebration1.2.6-300-celebration · mojangsecurityentity-1.2.6.jar·5 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 9.0 MB
    1.19.2·Forge1.2.51.2.5 · mojangsecurityentity-1.2.5.jar·26 Sep 2024PassedOur checks found nothing harmful in this file.Open this file on CurseForgeDownload · Stable · 8.1 MB
    1 to 20 of 3412