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    2,063,946 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 26 Oct 2026.642,572 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 26 Oct 2026.270,498 projects gradedProjects with a letter from A to F. Counted on 26 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Jurassic Reborn Natural Spawning Addon - Biomes O' Plenty Addition

    Mod

    Prehistoric creatures spawn naturally in Biomes O' Plenty worlds.

    Download

    Files come from CurseForge servers.

    jurassicrebornnaturalspawningaddon-1.0.jar

    Released 27 Apr 2026 · 67.5 KB

    Not checked: its author does not let other sites download this file from CurseForge, so we cannot check it.

    Open on CurseForge
    C73/ 100
    Security
    Not checked yet
    Privacy
    Not read yet
    Loaders
    Forge, NeoForge
    Minecraft versions
    Up to 1.21.1
    • OverviewC
    • SecurityNot checked yet
    • PrivacyNot read yet
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 18
    • ReleasesLatest 19 Jun
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Stable releases

    Points lost

    • No source code link−7 points
    • First release only 6 months ago−5 points
    • No release in 4 months−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      2 points lost19 / 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 (19 Jun 2026) 10 / 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 993 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 points15 / 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.2 of the 11 modpacks with two or more versions removed it in a later one (18%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.
      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. Not counted for projects only on CurseForge.

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.33,814 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, 3 releases 3 / 8

    • Security

      Not checked
      File checksThis check adds no points. It can only take points away.Files for recent Minecraft versions not checked yet. B at most until they are. See Security
    Total73 / 100

    40.4 of the 55 points that apply = 73 out of 100. The points above are rounded to whole numbers.

    Images

    • Titanis
    • Camarasaurus & Apatosaurus
    • Carnotaurus

    About

    Jurassic Reborn Natural Spawning Addon adds Biomes O’ Plenty compatibility to Jurassic Reborn, allowing extinct creatures to spawn naturally in the Overworld during exploration. Natural spawning must be enabled in Jurassic Reborn’s configuration for the creatures to appear in newly generated worlds.

    Written from CurseForge . How we write it

    Details

    Creator
    Vitiate
    License
    MIT License
    Downloads
    35K
    Created
    27 Apr 2026
    Official page
    CurseForge

    Security

    Not checked yet

    We have not checked its files for recent Minecraft versions yet.

    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 · Not checked yet
    • 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. 2 of them are not checked yet. See each file in Releases

    Privacy

    We have not read its code yet

    What it sends is not known yet.

    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 · Code not read yet
    • 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.
      None yet. See each file in Releases

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its texts and found none.

    We have not read its files, images and sounds yet.

    AI in the game: not checked yet

    We have not read its code for AI yet.

    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 · 1 place 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
      2 of 6 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Not read yet
    • 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.
      Not checked for AI yet.

    Compatibility

    See all 3 files
    NeoForge
    Forge
    1.201.2126.126.3

    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 1.21.1. Many recently updated mods still support 1.21.1.

    Related projects

    Projects made to add things to Jurassic Reborn Natural Spawning Addon - Biomes O' Plenty Addition.

    ProjectTypeDownloadsGrade
    TAMEABLE Jurassic RebornCMod2.5K downloads

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Jurassic Reborn Natural Spawning Addon - Biomes O' Plenty Addition in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Jurassic World Reborn II438K downloadslast version with it 20 Oct 2026Monumental Experience VI - Rise of the Dinosaurs7.1K downloadslast version with it 24 Oct 2026JurassicPark, Survival1.7K downloadslast version with it 28 May 2026JurassiCouto1.2K downloadslast version with it 4 Oct 2026The Lost World - Hardcore Prehistoric Survival492 downloadslast version with it 7 Aug 2026Monster Mayhem Kaiju Survival 2 (MMKS2)394 downloadslast version with it 27 Aug 2026On the Horizons With Aeronautics380 downloadslast version with it 14 Jun 2026Imersacraft RP256 downloadslast version with it 29 Apr 2026Primeval Dominion160 downloadslast version with it 7 Jun 2026Rlexcraft157 downloadslast version with it 16 Oct 2026
    1 to 10 of 1812

    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·NeoForge1.01.0 · jurassicrebornnaturalspawningaddon-1.0.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.
    1.20.1·Forge1.0.11.0.1 · jurassicrebornnaturalspawningaddonbopaddon-1.0.1.jarSends: Not read yetRequires:NothingNot checkedWe have not checked this file yet.

    3 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.0.11.0.1 · jurassicrebornnaturalspawningaddonbopaddon-1.0.1.jar·19 Jun 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.01.0 · jurassicrebornnaturalspawningaddon-1.0.jar·27 Apr 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.
    1.20.1·Forge1.0.01.0.0 · jurassicrebornnaturalspawningaddon-1.0.0.jar·27 Apr 2026Not checkedIts author does not let other sites download this file from CurseForge, so we cannot check it.Open this file on CurseForgeDownload not available hereIts author does not let other sites download this file. Get it on CurseForge: its logo in "Get it on" opens the file's page.