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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.

    Create: Trial & Error

    Mod

    Automate the Trial Chambers with challenging production lines.

    C74/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.7
    • ModpacksIn 77
    • ReleasesLatest Dec 2025

    Download

    trialanderror-1.0.1.jar

    Released 3 Jul 2025 · 547.7 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • CreateNo file for Minecraft 1.21.7 · NeoForgeB
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed
    • Stable releases

    Points lost

    • No release in 10 months−11 points
    • Releases in only 3 of the last 24 months−4 points
    • No public issue tracker−3 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      10 points lost17 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.10 months ago (21 Dec 2025). 37 modpacks released in the last 6 months still include it, so it keeps 46% of these points. 6 / 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.1.21.7 on NeoForge. 65% of the 995 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.Releases in 3 of the last 24 months 2 / 6

    • Stability

      Full points22 / 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.6 of the 68 modpacks with two or more versions removed it in a later one (9%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 5 releases in 2 years needed a quick fix (20%) 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

      3 points lost7 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Koltino/create-trial-and-error 7 / 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.54,796 3 / 4

    • Track record

      5 points lost3 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.16 months, 6 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
    Total74 / 100

    52.3 of the 71 points that apply = 74 out of 100. The points above are rounded to whole numbers.

    Images

    • Trial Repalette Atrium
    • Trial Repalette
    • Trial Key Casting
    • Key Creation
    • Deployers and Vaults

    About

    Create: Trial & Error adds production-line mechanics for automating Trial Chamber Vaults. Regular and Ominous Trial Keys can be cast, though making a cast is likely to fail; once made, it can be reused to produce keys from Tuff and Copper. Deployers can open Vaults remotely, without a player nearby, and the Tabula Rasa item lets a Vault be reopened; it can be found in Ominous Vaults or duplicated with Mechanical Crafters. Added automation recipes for Tuff and Veridium help supply the materials for key production and renewable Copper, while Oxidized Copper for Ominous Keys must be produced through automation, such as with Deployers and Drills. Vault loot also includes Create materials such as Zinc and Andesite Alloy, and automated Chambers can provide a renewable source of Diamonds, Heavy Cores, and Enchanted Golden Apples.

    Written from Modrinth . How we write it

    In-game changes

    Changes the game's code in 1 area: Blocks and fluidsChanges 3 game code files in this area: how blocks, fluids and redstone work..

    Adds 5 blocks, 9 items, 27 recipes, 2 loot tables and 1 sound.

    Counted from the names and data files in the mod, so the list may not be complete.

    Replaces 2 of vanilla Minecraft's loot tables.

    Often used with it

    See all 30
    Create: OxidizedCCreate: Enchantment IndustryACreate: Copycats+ACreate: ConnectedACreate Slice & DiceA

    Details

    Creator
    koltino
    License
    MIT License
    Downloads
    55K
    Created
    3 Jul 2025
    Official pages
    Modrinth , CurseForge
    Links
    Source code

    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. Only in its files for NeoForge 1.21.2 to 1.21.7.

    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 and code history 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.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • 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
      21 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
      27 code files read

    Compatibility

    See all 6 files
    NeoForge
    1.2126.126.2

    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.
    Createin some filesB
    OptionalProjects it can work with but does not need. The author lists them.
    Create: Oxidizedin some filesC
    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 1.21.7. It has no file for the 5 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Related projects

    Projects that need Create: Trial & Error to work.

    ProjectTypeDownloadsGrade
    Trial And Error RetexturesBResource pack75 downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 0 modpacksMar 2025: 0 modpacksApr 2025: 0 modpacksMay 2025: 0 modpacksJun 2025: 0 modpacksJul 2025: 10 modpacksAug 2025: 14 modpacksSep 2025: 8 modpacksOct 2025: 9 modpacksNov 2025: 11 modpacksDec 2025: 9 modpacksJan 2026: 11 modpacksFeb 2026: 8 modpacksMar 2026: 7 modpacksApr 2026: 15 modpacksMay 2026: 13 modpacksJun 2026: 11 modpacksJul 2026: 3 modpacksAug 2026: 5 modpacksSep 2026: 11 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    Jan 20250
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    Apr 20250
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    Jun 20250
    Jul 202510
    Aug 202514
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    Nov 202511
    Dec 20259
    Jan 202611
    Feb 20268
    Mar 20267
    Apr 202615
    May 202613
    Jun 202611
    Jul 20263
    Aug 20265
    Sep 202611

    More modpacks put it in their new versions than a year ago: 10 a month now, 5 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..

    77 modpacks include Create: Trial & Error in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Mystic's Monstrosity84K downloadslast version with it 27 Jan 2026Everything Create - Aeronautics19K downloadslast version with it 6 Jul 2026Delta's Just Give Me Features11K downloadslast version with it 19 Nov 2025Create Nuclear Immersive (Create V6 ) 7.8K downloadslast version with it 5 Aug 2025Backtanked4.3K downloadslast version with it 13 Jun 2026ReCreated - Create Aeronautics Update3.8K downloadslast version with it 4 Jun 2026WildLouna3.5K downloadslast version with it 25 Apr 2026Advance Create (Create v6 and TFMG)3.3K downloadslast version with it 10 Jun 2026All of Create - NeoForge2.7K downloadslast version with it 3 Sep 2026spaceflydude the lizard 2.5K downloadslast version with it 31 May 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Create: Trial & Error. Share: how many of the modpacks with Create: Trial & Error also have that mod.

    ProjectTypeShareGrade
    Create: OxidizedCModin 87% of the modpacks with Create: Trial & ErrorCreate: Enchantment IndustryAModin 86% of the modpacks with Create: Trial & ErrorCreate: Copycats+AModin 83% of the modpacks with Create: Trial & ErrorCreate: ConnectedAModin 78% of the modpacks with Create: Trial & ErrorCreate Slice & DiceAModin 68% of the modpacks with Create: Trial & ErrorCreate: Trading floorBModin 65% of the modpacks with Create: Trial & ErrorCreate: Design n' DecorCModin 65% of the modpacks with Create: Trial & ErrorCreate EncasedAModin 65% of the modpacks with Create: Trial & ErrorJade Addons (Neo/Forge)AModin 65% of the modpacks with Create: Trial & ErrorCreate: Ultimate FactoryBModin 62% of the modpacks with Create: Trial & Error
    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
    1.21.2 to 1.21.7·NeoForge1.0.11.0.1 · trialanderror-1.0.1.jarSends: None foundRequires:CreatePassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge1.3.21.3.2 · trialanderror-1.3.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    6 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.3.21.3.2 · trialanderror-1.3.2.jar (main file)·21 Dec 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 577.5 KB
    1.21.1·NeoForge1.31.3 · trialanderror-1.3.jar·5 Aug 2025PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 576.5 KB
    1.21.1·NeoForge1.21.2 · trialanderror-1.2.jar·6 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 612.1 KB
    1.21.1·NeoForge1.11.1 · trialanderror-1.1.jar·3 Jul 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 547.7 KB
    1.21.1 to 1.21.71.21.1 to 1.21.7The latest file for its Minecraft version and loader·NeoForge1.0.11.0.1 · trialanderror-1.0.1.jar (main file)·3 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthNot on CurseForgeDownload · Stable · 547.7 KB
    1.21.1 to 1.21.71.21.1 to 1.21.7·NeoForge1.01.0 · trialanderror-1.0.jar (main file)·3 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 545.1 KB

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • trialanderror-1.1.jar3 Jul 2025Fixed some structure generation issues