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    2,024,305 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 24 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 24 Oct 2026.269,486 projects gradedProjects with a letter from A to F. Counted on 24 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Progressive Bosses

    Mod

    Makes Wither and Ender Dragon harder the more you kill 'em.

    B85/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AIAI-aided code
    • CompatibilityUp to 1.20.1
    • ModpacksIn 6,238
    • ReleasesLatest 7 Mar

    Download

    ProgressiveBosses-4.2.1-mc1.20.1.jar

    Released 19 Sep 2024 · 282.1 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

    • Public source code and issue tracker
    • Widely used

    Points lost

    • No release in 8 months−5 points
    • Many modpacks removed it−5 points
    All 11 criteria
    • Maintenance

      3 points lost24 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.8 months ago (7 Mar 2026). 247 modpacks released in the last 6 months still include it, so it keeps 71% of these points. 9 / 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 and NeoForge. 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.90 of the 379 modpacks with two or more versions removed it in a later one (24%) See the 90 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

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Insane-96/ProgressiveBosses 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Insane-96/ProgressiveBosses 3 / 3
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.47,378,435 4 / 4
    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.8.6 years, 128 releases 6 / 8
    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 3 latest files for recent Minecraft versions. See Security
    Total85 / 100

    60.6 of the 71 points that apply = 85 out of 100. The points above are rounded to whole numbers.

    About

    Progressive Bosses makes the Wither and Ender Dragon more challenging by letting players summon stronger versions whose difficulty adapts to nearby players. These boss fights can feature increased health, Wither charging, the Dragon respawning crystals, minions for both bosses, faster projectiles, and more crystal cages, including crystals placed inside towers. The mod also makes the Elder Guardian fight harder and adds a reward for it.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 4 areas: Mobs and their behaviorChanges 17 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., World generationChanges 3 game code files in this area: terrain, biomes and structures made when new land is created., World renderingChanges 1 game code file in this area: drawing the terrain, sky, clouds and weather. and Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen..

    Adds 1 block, 3 items, 4 mobs, 1 other entity, 6 recipes, 3 advancements and 10 loot tables.

    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
    AttributeFixAAI Improvements: Performance TuningAIce and FireCBlueprintAMowzie's MobsB

    Details

    Creator
    Insane96
    License
    MIT License
    Downloads
    47.4M
    Created
    5 Mar 2018
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Discord

    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.
    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 16 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.
      16 latest files: the newest file for each Minecraft version and loader. The answer above is about the 3 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.
      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 3 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 3 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

    AI was used for its code

    The author declares AI code on Modrinth.

    Claude Code is named in the files of its repository.

    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.
      Declares AI code. No AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      A Claude Code file CLAUDE.md
    • 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
      30 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
      10 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
      116 code files read

    Compatibility

    See all 128 files
    NeoForge
    Forge
    1.121.151.171.2026.1

    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.
    InsaneLibon ForgeAArea Effect Clouds 3Don 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 1.20.1. 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
    2001000
    Oct 2024: 197 modpacksNov 2024: 159 modpacksDec 2024: 165 modpacksJan 2025: 177 modpacksFeb 2025: 146 modpacksMar 2025: 127 modpacksApr 2025: 122 modpacksMay 2025: 103 modpacksJun 2025: 121 modpacksJul 2025: 112 modpacksAug 2025: 111 modpacksSep 2025: 77 modpacksOct 2025: 84 modpacksNov 2025: 79 modpacksDec 2025: 77 modpacksJan 2026: 83 modpacksFeb 2026: 65 modpacksMar 2026: 77 modpacksApr 2026: 68 modpacksMay 2026: 61 modpacksJun 2026: 59 modpacksJul 2026: 64 modpacksAug 2026: 49 modpacksSep 2026: 54 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024197
    Nov 2024159
    Dec 2024165
    Jan 2025177
    Feb 2025146
    Mar 2025127
    Apr 2025122
    May 2025103
    Jun 2025121
    Jul 2025112
    Aug 2025111
    Sep 202577
    Oct 202584
    Nov 202579
    Dec 202577
    Jan 202683
    Feb 202665
    Mar 202677
    Apr 202668
    May 202661
    Jun 202659
    Jul 202664
    Aug 202649
    Sep 202654

    Fewer modpacks put it in their new versions than a year ago: 59 a month now, 108 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..

    6,238 modpacks include Progressive Bosses in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    DawnCraft - Echoes of Legends10.5M downloadslast version with it 20 Nov 2025Roguelike Adventures and Dungeons7.6M downloadslast version with it 15 May 2026Cisco's Fantasy Medieval RPG [Ultimate]5.1M downloadslast version with it 1 Jun 2026MC Eternal4.9M downloadslast version with it 16 Dec 2024Roguelike Adventures and Dungeons 24.8M downloadslast version with it 1 Oct 2026Crazy Craft Updated4.5M downloadslast version with it 18 Oct 2026All in One [Modded One Block]4.3M downloadslast version with it 3 Sep 2023Project Ozone 3 A New Way Forward3.2M downloadslast version with it 16 Jan 2023Dungeons, Dragons and Space Shuttles3M downloadslast version with it 8 Oct 2020Valhelsia 22.8M downloadslast version with it 11 Dec 2021
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    AttributeFixAModin 53% of the modpacks with Progressive BossesAI Improvements: Performance TuningAModin 50% of the modpacks with Progressive BossesIce and FireCModin 50% of the modpacks with Progressive BossesBlueprintAModin 49% of the modpacks with Progressive BossesMowzie's MobsBModin 48% of the modpacks with Progressive BossesApotheosisAModin 47% of the modpacks with Progressive BossesFastWorkbenchBModin 43% of the modpacks with Progressive BossesGuard VillagersAModin 41% of the modpacks with Progressive BossesSerene SeasonsAModin 41% of the modpacks with Progressive BossesWhen Dungeons AriseAModin 40% of the modpacks with Progressive Bosses
    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·NeoForge4.2.14.2.1 · ProgressiveBosses-4.2.1-mc1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge3.9.73.9.7 · ProgressiveBosses-3.9.7-mc1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge4.3.124.3.12 · progressivebosses-4.3.12.jarSends: None foundRequires:InsaneLib, Area Effect Clouds 3DInsaneLib, Area Effect Clouds 3DPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.20·NeoForge, Forge3.9.33.9.3 · ProgressiveBosses-3.9.3-mc1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20·Forge3.9.43.9.4 · ProgressiveBosses-3.9.4-mc1.20.1.jarSends: None foundRequires:InsaneLibPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.4·Forge3.8.43.8.4 · ProgressiveBosses-3.8.4-mc1.19.4.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.3·Forge3.8.03.8.0 · ProgressiveBosses-3.8.0-mc1.19.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·NeoForge, Forge3.7.63.7.6 · ProgressiveBosses-3.7.6-mc1.19.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.1 to 1.19.2·Forge3.7.53.7.5 · ProgressiveBosses-3.7.5-mc1.19.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19·Forge3.7.13.7.1 · ProgressiveBosses-3.7.1-mc1.19.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 1612

    128 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge4.3.124.3.12 · progressivebosses-4.3.12.jar (main file)·7 Mar 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 999.4 KB
    1.20.1·Forge4.3.114.3.11 · progressivebosses-4.3.11.jar (main file)·15 Nov 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 999.4 KB
    1.20.1·Forge4.3.104.3.10 · progressivebosses-4.3.10.jar (main file)·7 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1000.3 KB
    1.20.1·Forge4.3.94.3.9 · progressivebosses-4.3.9.jar (main file)·7 Sep 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 997.0 KB
    1.20.1·Forge4.3.94.3.9 · progressivebosses-4.3.9.jar (main file)·19 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 997.0 KB
    1.20.1·Forge4.3.84.3.8 · progressivebosses-4.3.8.jar (main file)·7 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 997.0 KB
    1.20.1·Forge4.3.74.3.7 · progressivebosses-4.3.7.jar (main file)·6 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 990.1 KB
    1.20.1·Forge4.3.64.3.6 · progressivebosses-4.3.6.jar (main file)·5 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 989.4 KB
    1.20.1·Forge4.3.54.3.5 · progressivebosses-4.3.5.jar (main file)·29 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 988.7 KB
    1.20.1·Forge4.3.44.3.4 · progressivebosses-4.3.4.jar (main file)·26 May 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 987.4 KB
    1.20.1·Forge4.3.34.3.3 · ProgressiveBosses-4.3.3-mc1.20.1.jarBeta·12 Apr 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 990.3 KB
    1.20.1·Forge4.3.24.3.2 · ProgressiveBosses-4.3.2-mc1.20.1.jar (main file)Beta·10 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 986.0 KB
    1.20.1·Forge4.3.24.3.2 · ProgressiveBosses-4.3.2-mc1.20.1.jar (main file)Beta·13 Mar 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 986.0 KB
    1.20.1·Forge4.3.14.3.1 · ProgressiveBosses-4.3.1-mc1.20.1.jar (main file)Alpha·22 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Alpha · 959.1 KB
    1.20.1·Forge4.3.04.3.0 · ProgressiveBosses-4.3.0-mc1.20.1-all.jarAlpha·22 Feb 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 959.1 KB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge4.2.14.2.1 · ProgressiveBosses-4.2.1-mc1.20.1.jar (main file)·19 Sep 2024PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 282.1 KB
    1.20.1·NeoForge, Forge4.2.04.2.0 · ProgressiveBosses-4.2.0-mc1.20.1.jarAlpha·3 Sep 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 280.1 KB
    1.20.1·NeoForge, Forge4.1.144.1.14 · ProgressiveBosses-4.1.14-mc1.20.1.jarAlpha·1 Sep 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 271.8 KB
    1.20.1·NeoForge, Forge4.1.134.1.13 · ProgressiveBosses-4.1.13-mc1.20.1.jarAlpha·1 Sep 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 262.8 KB
    1.20.1·NeoForge, Forge4.1.124.1.12 · ProgressiveBosses-4.1.12-mc1.20.1.jarAlpha·27 Jun 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Alpha · 260.8 KB
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