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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.

    Unusual Prehistory

    Mod

    A mod that allows you to bring back prehistoric creatures from the past.

    C75/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.2
    • ModpacksIn 816
    • ReleasesLatest Nov 2023

    Download

    unusualprehistory-1.5.0.3.jar

    Released 20 Nov 2023 · 8.4 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • GeckolibAMinecraft 1.20.2 · Forge (release 4.3.1)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Public source code and issue tracker
    • Widely used

    Points lost

    • No release in 2.9 years−14 points
    • Some modpacks removed it−2 points
    All 11 criteria
    • Maintenance

      11 points lost16 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.2.9 years ago (21 Nov 2023). 101 modpacks released in the last 6 months still include it, so it keeps 59% of these points. 7 / 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.1.20.2 on Forge. 77% of the 516 popular Forge 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.No release in the last 24 months 0 / 6
    • 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.56 of the 365 modpacks with two or more versions removed it in a later one (15%) See the 56 modpacks8 / 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

      Full points10 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Peeko32213/Unusual-Prehistory 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · Peeko32213/Unusual-Prehistory 3 / 3
    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.3,852,455 4 / 4
    • Track record

      3 points lost5 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4.0 years, 29 releases 5 / 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
    Total75 / 100

    48 of the 64 points that apply = 75 out of 100.

    Images

    • Cotylorhynchus
    • Analyzer and Cultivator
    • Dunkleosteus
    • Majungasaurus
    • Beelzebufo

    About

    Unusual Prehistory lets you revive prehistoric animals and plants, which can provide useful items or add ambience to the world. Find fossils across the world, including stone fossils for Mesozoic DNA, deepslate fossils for Paleozoic DNA, and frozen or tar fossils that unlock some Cenozoic creatures; analyze them for DNA, then use a cultivator and organic ooze to grow plants or create eggs and embryos. Live-birthed animals can be revived in birthing pods, and the Encyclopedia of Prehistory guides players through the plants, animals, and revival process. Exploration includes cold-biome Icebergs with frozen fossils and hot-biome Tar Pits with tar fossils, alongside permafrost, sinking tar, and asphalt that speeds up mounted creatures. Creatures include the fur-collecting Mammoth, dirt-excavating Megatherium, health-sapping Megalania, musically inclined Barinasuchus, sea snake Palaeophis, cave-dwelling Talapanas, hostile Paraceratherium, and bartering Gigantopithecus. The mod also adds Foxii and Dryophyllum trees, the Raiguenrayun flower, opal-based items, three handmade weapons, and a Tyrants Crown that enables interactions with specific animals.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 154 blocks, 163 items, 50 entities, 188 recipes, 14 loot tables and 113 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
    BlueprintAYUNG's Better Nether FortressesAYUNG's Better Ocean MonumentsAAlex's CavesCYUNG's Better Desert TemplesA

    Details

    Creators
    peeko322131, crydigo and platypushasnohat
    License
    Custom license
    Downloads
    3.9M
    Created
    3 Nov 2022
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues

    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.

    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 3 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.
      3 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
    • 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 · 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
    • 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, sounds and code history 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 · 7 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.
    • 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 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
      557 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
      40 of 259 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
      501 code files read

    Compatibility

    See all 29 files
    Forge
    1.181.201.2126.1

    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.
    GeckolibA
    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.Its newest file is for 1.20.2. It has no file for the 6 newer Minecraft versions. It also supports 1.20.1, a version many recently updated mods still support.

    Related projects

    Projects that need Unusual Prehistory to work.

    ProjectTypeDownloadsGrade
    Peculiar PrimordialsDMod469K downloadsSimilar PrehistoryCMod274K downloadsMarvelous Menagerie (DISCONTINUED)-Mod232K downloadsPeculiar PredatorsEMod13K downloadsYapi: PaleofusionCMod5K downloadsUnusual Prehistory x Create Crafts and Additions CompatCData pack193 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    80400
    Oct 2024: 52 modpacksNov 2024: 59 modpacksDec 2024: 43 modpacksJan 2025: 68 modpacksFeb 2025: 63 modpacksMar 2025: 44 modpacksApr 2025: 50 modpacksMay 2025: 48 modpacksJun 2025: 61 modpacksJul 2025: 60 modpacksAug 2025: 65 modpacksSep 2025: 48 modpacksOct 2025: 59 modpacksNov 2025: 41 modpacksDec 2025: 43 modpacksJan 2026: 38 modpacksFeb 2026: 38 modpacksMar 2026: 32 modpacksApr 2026: 31 modpacksMay 2026: 28 modpacksJun 2026: 25 modpacksJul 2026: 24 modpacksAug 2026: 22 modpacksSep 2026: 23 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 202452
    Nov 202459
    Dec 202443
    Jan 202568
    Feb 202563
    Mar 202544
    Apr 202550
    May 202548
    Jun 202561
    Jul 202560
    Aug 202565
    Sep 202548
    Oct 202559
    Nov 202541
    Dec 202543
    Jan 202638
    Feb 202638
    Mar 202632
    Apr 202631
    May 202628
    Jun 202625
    Jul 202624
    Aug 202622
    Sep 202623

    Fewer modpacks put it in their new versions than a year ago: 26 a month now, 55 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..

    816 modpacks include Unusual Prehistory in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Chocolate Edition Minecraft1.1M downloadslast version with it 4 May 2026Prehistoric World - Dinosaurs, Adventure & Quests | NEW PREHISTORY UPDATE!1.1M downloadslast version with it 22 Oct 2026Mystic Horizons​506K downloadslast version with it 13 Oct 2026Prehistoric World480K downloadslast version with it 19 Oct 2026The Ancient Dawn - Prehistoric Journey371K downloadslast version with it 7 Feb 2026The Pioneers218K downloadslast version with it 11 Apr 2024Crafted Crazy (crazy craft updated!)157K downloadslast version with it 21 Jun 2026Menagerie - a zoo modpack140K downloadslast version with it 20 Oct 2025Jurassic Terror - A horror jurassic experience113K downloadslast version with it 27 Apr 2026Cottage Craft - A Cottagecore Adventure69K downloadslast version with it 17 Nov 2023
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    BlueprintAModin 62% of the modpacks with Unusual PrehistoryYUNG's Better Nether FortressesAModin 61% of the modpacks with Unusual PrehistoryYUNG's Better Ocean MonumentsAModin 58% of the modpacks with Unusual PrehistoryAlex's CavesCModin 56% of the modpacks with Unusual PrehistoryYUNG's Better Desert TemplesAModin 55% of the modpacks with Unusual PrehistoryYUNG's Better End IslandAModin 53% of the modpacks with Unusual PrehistoryAlex's DelightBModin 50% of the modpacks with Unusual PrehistoryL_Ender's CataclysmBModin 50% of the modpacks with Unusual PrehistoryYUNG's Better Witch HutsAModin 49% of the modpacks with Unusual PrehistoryAttributeFixAModin 47% of the modpacks with Unusual Prehistory
    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 to 1.20.2·Forge1.5.0.31.5.0.3 · unusualprehistory-1.5.0.3.jarSends: None foundRequires:GeckolibPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Forge1.4.21.4.2 · unusualprehistory-1.4.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.1.21.1.2 · unusualprehistory-1.1.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    29 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20 to 1.20.21.20 to 1.20.2The latest file for its Minecraft version and loader·Forge1.5.0.31.5.0.3 · unusualprehistory-1.5.0.3.jar (first file)·20 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.20.1·Forge1.5.0.21.5.0.2 · unusualprehistory-1.5.0.2.jar·20 Nov 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.20.1·Forge1.5.0.11.5.0.1 · unusualprehistory-1.5.0.1.jar·20 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.20.1·Forge1.5.01.5.0 · unusualprehistory-1.5.0.jar·20 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.20.1·Forge1.5.0-beta-21.5.0-beta-2 · unusualprehistory-1.5.0-beta-2.jarBeta·16 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 8.4 MB
    1.20.1·Forge1.5.0-beta1.5.0-beta · unusualprehistory-1.5.0-beta.jarBeta·8 Nov 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 8.3 MB
    1.19.2The latest file for its Minecraft version and loader·Forge1.4.21.4.2 · unusualprehistory-1.4.2.jar·14 Oct 2023PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.19.2·Forge1.4.11.4.1 · unusualprehistory-1.4.1.jar·12 Oct 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.19.2·Forge1.41.4 · unusualprehistory-1.4.jar·5 Oct 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 8.4 MB
    1.19.2·Forge1.4-beta-4.11.4-beta-4.1 · unusualprehistory-1.4-beta-4.1.jarBeta·28 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 8.1 MB
    1.19.2·Forge1.4-beta-41.4-beta-4 · unusualprehistory-1.4-beta-4.jarBeta·28 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 8.1 MB
    1.19.2·Forge1.4-beta-31.4-beta-3 · unusualprehistory-1.4-beta-3.jarBeta·22 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 8.1 MB
    1.19.2·Forge1.4-beta-11.4-beta-1 · unusualprehistory-1.4-beta-1.jarBeta·21 Sep 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 8.1 MB
    1.19.2·Forge1.3.4.11.3.4.1 · unusualprehistory-1.3.4.1.jar·20 May 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.6 MB
    1.19.2·Forge1.3.41.3.4 · unusualprehistory-1.3.4.jar·18 May 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.6 MB
    1.19.2·Forge1.3.31.3.3 · unusualprehistory-1.3.3.jar·12 May 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.6 MB
    1.19.2·Forge1.3.21.3.2 · unusualprehistory-1.3.2.jar·7 May 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.6 MB
    1.19.2·Forge1.3.11.3.1 · unusualprehistory-1.3.1.jarBeta·2 May 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Beta · 5.5 MB
    1.19.2·Forge1.3.01.3.0 · unusualprehistory-1.3.0.jar·27 Apr 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 5.5 MB
    1.19.2·Forge1.2.41.2.4 · unusualprehistory-1.2.4.jar·13 Mar 2023PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 3.6 MB
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