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    2,046,932 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 2026.269,480 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.

    Eureka! Ships! for Valkyrien Skies (Forge/Fabric)

    Mod

    Build ships in Minecraft out of ordinary blocks, with physics.

    C77/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.20.1
    • ModpacksIn 5,319
    • ReleasesLatest 24 Apr

    Download

    eureka-1201-1.6.3.jar

    Released 24 Apr 2026 · 440.9 KB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Forge Config API PortAMinecraft 1.20.1 · Fabric (release 8.0.3)
    • Fabric APINeeded by Forge Config API PortAMinecraft 1.20.1 · Fabric (release 0.92.12)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

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

    Points lost

    • Many modpacks removed it−9 points
    • No release in 6 months−4 points
    • Releases in only 4 of the last 24 months−3 points
    All 11 criteria

    • Maintenance

      5 points lost22 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.6 months ago (24 Apr 2026). 587 modpacks released in the last 6 months still include it, so it keeps 80% of these points. 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.1.20.1 on Fabric and Forge. 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 4 of the last 24 months 3 / 6

    • Stability

      9 points lost13 / 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.127 of the 338 modpacks with two or more versions removed it in a later one (38%) See the 127 modpacks1 / 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 11 releases in 2 years needed a quick fix (9%) 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 · ValkyrienSkies/Eureka 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · ValkyrienSkies/Eureka 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.11,633,458 4 / 4

    • Track record

      2 points lost6 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.4.2 years, 89 releases 6 / 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
    Total77 / 100

    54.8 of the 71 points that apply = 77 out of 100. The points above are rounded to whole numbers.

    About

    Eureka! Ships! is an add-on for Valkyrien Skies that lets players turn builds made from ordinary or modded Minecraft blocks into movable ships, including airships and boats. A Ship Helm lets players assemble or disassemble a ship and align it, while applying stabilizing forces to help keep the vessel level rather than providing realistic physics. Ship components provide different movement and buoyancy effects: balloons provide lift, floaters add buoyancy, and ballast weighs a vessel down; floaters and ballast can also respond to redstone. Fueled engines increase a ship’s speed and retain heat that keeps it moving, while a powered anchor holds it in place. Configuration options let players tune ship controls and set limits such as how many blocks a helm can assemble and which blocks are eligible.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 1 area: Rendering and graphicsChanges 1 game code file in this area: drawing mobs, items, particles and textures on screen..

    Adds 29 blocks and 32 recipes.

    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: Steam 'n' RailsACreate Big CannonsACreate DecoBYUNG's Better Ocean MonumentsAYUNG's Better Nether FortressesA

    Details

    Creators
    rubydesic, millennIumAMbiguity and StewStrong
    License
    Apache License 2.0
    Downloads
    11.6M
    Created
    3 Aug 2022
    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.

    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 9 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.
      9 latest files: the newest file for each Minecraft version and loader. The answer above is about the 2 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 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 · 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.
      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
      33 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
      187 code files read

    Compatibility

    See all 89 files
    Fabric
    Forge
    1.161.191.2126.1

    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.
    Forge Config API Porton FabricA
    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.

    Related projects

    Projects that need Eureka! Ships! for Valkyrien Skies (Forge/Fabric) to work.

    ProjectTypeDownloadsGrade
    Valkyrien PiratesCMod710K downloadsEureka! Create Airships!DResource pack282K downloadsValkyrien RelogsDMod205K downloadsVSE Gamepad LiteEMod11K downloadsCreate: Extra StructuresEMod6.4K downloadsCTM EurekaDResource pack1.7K downloadsCC: EurekaCMod1.3K downloadsEureka! Balloon PopperEData pack171 downloadsArchimedes Textures for Eureka Ships modBResource pack90 downloadsshipwheel compatibility patch for eureka shipsDMod76 downloads
    1 to 10 of 1112

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    4002000
    Oct 2024: 256 modpacksNov 2024: 255 modpacksDec 2024: 239 modpacksJan 2025: 303 modpacksFeb 2025: 259 modpacksMar 2025: 231 modpacksApr 2025: 181 modpacksMay 2025: 195 modpacksJun 2025: 185 modpacksJul 2025: 180 modpacksAug 2025: 193 modpacksSep 2025: 137 modpacksOct 2025: 191 modpacksNov 2025: 219 modpacksDec 2025: 221 modpacksJan 2026: 222 modpacksFeb 2026: 221 modpacksMar 2026: 202 modpacksApr 2026: 225 modpacksMay 2026: 166 modpacksJun 2026: 144 modpacksJul 2026: 150 modpacksAug 2026: 115 modpacksSep 2026: 89 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024256
    Nov 2024255
    Dec 2024239
    Jan 2025303
    Feb 2025259
    Mar 2025231
    Apr 2025181
    May 2025195
    Jun 2025185
    Jul 2025180
    Aug 2025193
    Sep 2025137
    Oct 2025191
    Nov 2025219
    Dec 2025221
    Jan 2026222
    Feb 2026221
    Mar 2026202
    Apr 2026225
    May 2026166
    Jun 2026144
    Jul 2026150
    Aug 2026115
    Sep 202689

    5,319 modpacks include Eureka! Ships! for Valkyrien Skies (Forge/Fabric) in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Better Adventures+2.2M downloadslast version with it 25 Jan 2025MineColonies: Dimensional Adventure1.2M downloadslast version with it 12 Jul 2023Create'a Colony563K downloadslast version with it 15 Jun 2026月亮工厂MCF 【Moon Create factory】533K downloadslast version with it 3 Jul 2026Beyond Cosmo525K downloadslast version with it 18 Oct 2026Over Stars396K downloadslast version with it 28 Jan 2026HazardousDaniel's Unlimited352K downloadslast version with it 26 Jun 2024Ages Of War (Nukes,Bombs and Guns!!)350K downloadslast version with it 6 Jan 2026Create: Stranded at Sea304K downloadslast version with it 23 Nov 2024One Piece: The Ultimate Experience276K downloadslast version with it 14 May 2025
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Eureka! Ships! for Valkyrien Skies (Forge/Fabric). Share: how many of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric) also have that mod.

    ProjectTypeShareGrade
    Create: Steam 'n' RailsAModin 56% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)Create Big CannonsAModin 47% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)Create DecoBModin 42% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)YUNG's Better Ocean MonumentsAModin 41% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)YUNG's Better Nether FortressesAModin 40% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)YUNG's Better Desert TemplesAModin 39% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)Create Slice & DiceAModin 37% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)TerralithAModin 36% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)Create: Enchantment IndustryAModin 35% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)ClockworkCModin 34% of the modpacks with Eureka! Ships! for Valkyrien Skies (Forge/Fabric)
    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·Fabric1.6.31.6.3 · eureka-1201-1.6.3.jarSends: None foundRequires:Forge Config API PortPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.6.31.6.3 · eureka-1201-1.6.3.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.19.2·Fabric1.5.4-beta.21.5.4-beta.2 · eureka-1192-1.5.4-beta.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.19.2·Forge1.5.4-beta.21.5.4-beta.2 · eureka-1192-1.5.4-beta.2.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Fabric1.5.4-beta.11.5.4-beta.1 · eureka-1.5.4-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.18.2·Forge1.5.4-beta.11.5.4-beta.1 · eureka-1.5.4-beta.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.5·Fabric1.0.0-alpha71.0.0-alpha7 · eureka-1.0.0-alpha7.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.5·Fabric1.0-alpha01.0-alpha0 · eureka-1.0.0+6e259145fb.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.16.5·Forge1.0.0-alpha71.0.0-alpha7 · eureka-1.0.0-alpha7.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    89 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge1.6.31.6.3 · eureka-1201-1.6.3.jar (main file)·24 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 452.0 KB
    1.20.1The latest file for its Minecraft version and loader·Fabric1.6.31.6.3 · eureka-1201-1.6.3.jar (main file)·24 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 440.9 KB
    1.20.1·Forge1.6.21.6.2 · eureka-1201-1.6.2.jar (main file)·10 Apr 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 452.0 KB
    1.20.1·Fabric1.6.21.6.2 · eureka-1201-1.6.2.jar (main file)·10 Apr 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 440.9 KB
    1.20.1·Forge1.6.11.6.1 · eureka-1201-1.6.1.jar (main file)·5 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 451.7 KB
    1.20.1·Fabric1.6.11.6.1 · eureka-1201-1.6.1.jar (main file)·5 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 440.6 KB
    1.20.1·Forge1.6.01.6.0 · eureka-1201-1.6.0.jar (main file)·3 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 452.0 KB
    1.20.1·Fabric1.6.01.6.0 · eureka-1201-1.6.0.jar (main file)·3 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 440.6 KB
    1.20.1·Forge1.5.4-beta.31.5.4-beta.3 · eureka-1201-1.5.4-beta.3.jar (main file)Beta·2 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 499.3 KB
    1.20.1·Fabric1.5.4-beta.31.5.4-beta.3 · eureka-1201-1.5.4-beta.3.jar (main file)Beta·2 Jan 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 487.7 KB
    1.18.2The latest file for its Minecraft version and loader·Forge1.5.4-beta.11.5.4-beta.1 · eureka-1.5.4-beta.1.jar (main file)Beta·2 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 364.6 KB
    1.18.2The latest file for its Minecraft version and loader·Fabric1.5.4-beta.11.5.4-beta.1 · eureka-1.5.4-beta.1.jar (main file)Beta·2 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 355.8 KB
    1.19.2The latest file for its Minecraft version and loader·Forge1.5.4-beta.21.5.4-beta.2 · eureka-1192-1.5.4-beta.2.jar (main file)Beta·2 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 499.0 KB
    1.19.2The latest file for its Minecraft version and loader·Fabric1.5.4-beta.21.5.4-beta.2 · eureka-1192-1.5.4-beta.2.jar (main file)Beta·2 Jan 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 485.5 KB
    1.20.1·Forge1.5.3-beta.41.5.3-beta.4 · eureka-1201-1.5.3-beta.4.jar (main file)Beta·26 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 498.6 KB
    1.20.1·Forge1.5.3-beta.31.5.3-beta.3 · eureka-1201-1.5.3-beta.3.jar (main file)Beta·26 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 498.5 KB
    1.20.1·Fabric1.5.3-beta.31.5.3-beta.3 · eureka-1201-1.5.3-beta.3.jar (main file)Beta·26 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 478.4 KB
    1.19.2·Forge1.5.3-beta.21.5.3-beta.2 · eureka-1192-1.5.3-beta.2.jar (main file)Beta·26 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 498.3 KB
    1.19.2·Fabric1.5.3-beta.21.5.3-beta.2 · eureka-1192-1.5.3-beta.2.jar (main file)Beta·26 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 476.2 KB
    1.18.2·Forge1.5.3-beta.11.5.3-beta.1 · eureka-1.5.3-beta.1.jar (main file)Beta·26 Dec 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 363.9 KB
    1 to 20 of 8912345

    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

    • [Fabric 1.20.1] v1.6.15 Jan 2026Fixes Fixed wrong url for forge issueTrackerURL. [3592a20…