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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.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Simulated: Alcubierre

    Mod

    Keep your builds floating and warp them to new places.

    -Not graded
    • Overview-
    • SecurityPassed
    • PrivacyNone found
    • AIAI-aided code
    • CompatibilityMinecraft 1.21.1
    • ModpacksIn 23
    • ReleasesLatest 23 Jun

    Download

    alcubierre-1.2.6.jar

    Released 23 Jun 2026 · 326.1 KB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why no grade

    How grades work

    Finished or replaced projects get no grade: they will not get fixes or new versions.

    • Archived on Modrinth.
    All 11 criteria

    • Maintenance

      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 (23 Jun 2026)
      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. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3.
      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

      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 13 modpacks with two or more versions removed it in a later one (15%)
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Does not apply. The project is under 6 months old.
      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

    • Transparency

      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · Unionegation/alcubierre-1.21.1
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems

    • Popularity

      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.26,296

    • Track record

      AgeHow long the project has existed. It counts less when no new file came out recently.5 months, 8 releases

    • 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

    Images

    • Another floating one
    • Floating blocks
    • Floating Drive
    • Floating Craft

    About

    Simulated: Alcubierre is an addon for Create Aeronautics that adds antigravity and coordinate-based warping for futuristic contraptions. Its Antigravity Drive connects to a kinetic network and cancels gravity on a sublevel, allowing a contraption to float while the drive remains powered. The Alcubierre Controller lets you enter coordinates and a dimension to warp a ship there, with activation through its panel or redstone.

    Written from Modrinth and the GitHub README . How we write it

    In-game changes

    Changes the game's code in 1 area: Networking and multiplayerChanges 1 game code file in this area: connections, the server list and what is sent between your game and a server..

    Adds 3 blocks: Alcubierre Controller, Alcubierre Drive and Antigravity Drive; 1 item: Glimmering Bottle; 1 recipe.

    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
    Create AeronauticsBCreate: Copycats+ACreate: ConnectedACreate: Diesel GeneratorsACreate Aeronautics: Transmission & LinkageA

    Details

    Creator
    Unionegation
    License
    MIT License
    Downloads
    26K
    Created
    17 May 2026
    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.

    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 · The latest file 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.
      1 latest file, 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

    AI was used for its code

    The author declares AI code on Modrinth.

    The author writes that AI was used.

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

    We have not read its 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 · 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.
      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.
      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.
      Found
      16 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
      12 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
      46 code files read

    Compatibility

    See all 8 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.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.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include Simulated: Alcubierre in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    Create Craft Season 52.7K downloadslast version with it 29 Sep 2026Dynamic Odyssey2.6K downloadslast version with it 12 Aug 2026Falcom's Tech & Magic2.3K downloadslast version with it 23 Oct 2026Wanderlost900 downloadslast version with it 6 Jun 2026Aeronautics: Skyward896 downloadslast version with it 18 Jul 2026areoshot668 downloadslast version with it 1 Oct 2026Create Cosmoworks627 downloadslast version with it 17 Oct 2026Create Survivanautics283 downloadslast version with it 1 Oct 2026Create AeroMagic By UmBraXiR137 downloadslast version with it 10 Oct 2026The Spore Garden117 downloadslast version with it 29 May 2026
    1 to 10 of 23123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Create AeronauticsBModin 100% of the modpacks with Simulated: AlcubierreCreate: Copycats+AModin 100% of the modpacks with Simulated: AlcubierreCreate: ConnectedAModin 96% of the modpacks with Simulated: AlcubierreCreate: Diesel GeneratorsAModin 91% of the modpacks with Simulated: AlcubierreCreate Aeronautics: Transmission & LinkageAModin 87% of the modpacks with Simulated: AlcubierreCreate: AeroworksCModin 87% of the modpacks with Simulated: AlcubierreCreate Propulsion: SimulatedCModin 87% of the modpacks with Simulated: AlcubierreCreate Big CannonsAModin 87% of the modpacks with Simulated: AlcubierreCreate: RadarsAModin 74% of the modpacks with Simulated: AlcubierreCreate: Enchantment IndustryAModin 74% of the modpacks with Simulated: Alcubierre
    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
    1.21.1·NeoForge1.2.61.2.6 · alcubierre-1.2.6.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    8 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.2.61.2.6 · alcubierre-1.2.6.jar (main file)·23 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 326.1 KB
    1.21.1·NeoForge1.2.51.2.5 · alcubierre-1.2.5.jar (main file)·21 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 397.5 KB
    1.21.1·NeoForge1.2.21.2.2 · alcubierre-1.2.2.jar (main file)·16 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 320.3 KB
    1.21.1·NeoForge1.2.11.2.1 · alcubierre-1.2.1.jar (main file)·14 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 315.4 KB
    1.21.1·NeoForge1.2.01.2.0 · alcubierre-1.2.0.jar (main file)·14 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 315.3 KB
    1.21.1·NeoForge1.1.11.1.1 · alcubierre-1.1.1.jar (main file)·12 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 245.0 KB
    1.21.1·NeoForge1.1.01.1.0 · alcubierre-1.1.0.jar·12 Jun 2026PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 242.1 KB
    1.21.1·NeoForge1.0.01.0.0 · alcubierre-1.0.0.jar (main file)·17 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 241.4 KB