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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.

    Starlance

    Mod

    Take your Valkyrien Skies ships between planets and space.

    B84/ 100
    • OverviewB
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityMinecraft 1.20.1
    • ModpacksIn 130
    • ReleasesLatest 25 Jun

    Download

    Starlance-2.0.1.jar

    Released 25 Jun 2026 · 1.4 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Valkyrien SkiesCMinecraft 1.20.1 · Forge (release 2.4.11)
    • Kotlin for ForgeAMinecraft 1.20.1 · Forge (release 4.12.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade B

    How grades work

    Strengths

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

    Points lost

    • Many modpacks removed it−5 points
    • Releases replaced within 3 days to fix a problem−4 points
    • No release in 4 months−2 points
    All 11 criteria

    • Maintenance

      1 point lost26 / 27
      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 (25 Jun 2026) 11 / 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 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.Releases in 14 of the last 24 months 6 / 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.25 of the 97 modpacks with two or more versions removed it in a later one (26%) See the 25 modpacks5 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.6 of its 24 releases in 2 years needed a quick fix (25%) See the 6 releases3 / 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 · jcm236/Starlance 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · jcm236/Starlance 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.670,773 4 / 4

    • Track record

      1 point lost7 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.24 months, 22 releases 7 / 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
    Total84 / 100

    59.5 of the 71 points that apply = 84 out of 100. The points above are rounded to whole numbers.

    Images

    • Space battle above mars
    • Ship crossing sun
    • Ship floating through space
    • Space laser
    • Ship floating next to planet
    • Ship in Earth orbit
    • Endurance
    • Mars landing pad
    • Planet

    In-game changes

    Changes the game's code in 4 areas: Mobs and their behaviorChanges 2 game code files in this area: mobs, animals, villagers, projectiles and how they move and act., Chunk loading and storageChanges 1 game code file in this area: how the game loads, tracks, saves and unloads chunks., User interfaceChanges 1 game code file in this area: menus, screens, tooltips, the chat window and the in-game overlay. and Server and world logicChanges 1 game code file in this area: the world, commands, scoreboards, saved data and game rules..

    A library packed inside it changes 26 more game code files: vtil.

    Adds 11 blocks, 2 items and 2 key bindings.

    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
    Cosmic HorizonsDEureka! Ships! for Valkyrien Skies (Forge/Fabric)CCreate: Copycats+AClockworkCCreate: Steam 'n' RailsA

    Details

    Creator
    Starlance
    License
    GNU General Public License v3.0 only
    Downloads
    671K
    Created
    28 Oct 2024
    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

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Found in vtil, a library it includes. See Privacy
    Creates settings files
    The mod keeps its settings in the config folder of your game, where you can change or delete them. 3 files in your config folder.

    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.
      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 that AI was used to make it

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

    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
      40 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
      95 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
      309 code files read

    Compatibility

    See all 22 files
    Forge
    1.201.2126.126.3

    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.
    Valkyrien SkiesCKotlin for ForgeA
    OptionalProjects it can work with but does not need. The author lists them.
    Cosmic HorizonsDAd AstraB
    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 Starlance to work.

    ProjectTypeDownloadsGrade
    VS OrbitCMod16K downloadsDeep Space-Mod4.3K downloadsch: BOOM!-Mod1.5K downloads

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    30150
    Oct 2024: 0 modpacksNov 2024: 1 modpackDec 2024: 1 modpackJan 2025: 10 modpacksFeb 2025: 9 modpacksMar 2025: 7 modpacksApr 2025: 9 modpacksMay 2025: 7 modpacksJun 2025: 8 modpacksJul 2025: 8 modpacksAug 2025: 11 modpacksSep 2025: 14 modpacksOct 2025: 23 modpacksNov 2025: 9 modpacksDec 2025: 16 modpacksJan 2026: 11 modpacksFeb 2026: 12 modpacksMar 2026: 9 modpacksApr 2026: 17 modpacksMay 2026: 10 modpacksJun 2026: 14 modpacksJul 2026: 7 modpacksAug 2026: 9 modpacksSep 2026: 2 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
    Nov 20241
    Dec 20241
    Jan 202510
    Feb 20259
    Mar 20257
    Apr 20259
    May 20257
    Jun 20258
    Jul 20258
    Aug 202511
    Sep 202514
    Oct 202523
    Nov 20259
    Dec 202516
    Jan 202611
    Feb 202612
    Mar 20269
    Apr 202617
    May 202610
    Jun 202614
    Jul 20267
    Aug 20269
    Sep 20262

    130 modpacks include Starlance in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Beyond Cosmo525K downloadslast version with it 18 Oct 2026Total Valkyrien39K downloadslast version with it 1 Oct 2025Create++38K downloadslast version with it 5 Jan 2026Brick's Building33K downloadslast version with it 24 Oct 2025Nature's Journey: Beyond the Horizon33K downloadslast version with it 28 Apr 2026Fantastic Frontier21K downloadslast version with it 4 Sep 2026Enchanted Genesis 20K downloadslast version with it 7 Oct 2025Steven Universe: Crystalline Fractals10K downloadslast version with it 30 Mar 2025PROJECT: Keyblade - An Oath to Return10K downloadslast version with it 22 May 2025Create: Warzone6.8K downloadslast version with it 10 Mar 2026
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Cosmic HorizonsDModin 95% of the modpacks with StarlanceEureka! Ships! for Valkyrien Skies (Forge/Fabric)CModin 82% of the modpacks with StarlanceCreate: Copycats+AModin 82% of the modpacks with StarlanceClockworkCModin 78% of the modpacks with StarlanceCreate: Steam 'n' RailsAModin 74% of the modpacks with StarlanceTrackworkCModin 73% of the modpacks with StarlanceCreate Big CannonsAModin 71% of the modpacks with StarlanceCreate: ConnectedAModin 70% of the modpacks with StarlanceCreate DecoBModin 65% of the modpacks with StarlanceCreate: The Factory Must GrowBModin 60% of the modpacks with Starlance
    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·Forge2.0.12.0.1 · Starlance-2.0.1.jarSends: None foundRequires:Valkyrien Skies, Kotlin for ForgeValkyrien Skies, Kotlin for ForgePassedOur checks found nothing harmful in this file. Its code was read too.

    22 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.20.1The latest file for its Minecraft version and loader·Forge2.0.12.0.1 · Starlance-2.0.1.jar (main file)·25 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    1.20.1·Forge2.0.02.0.0 · Starlance-2.0.0.jar (main file)·11 Apr 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    1.20.1·Forge1.5.01.5.0 · Starlance 1.5.0.jar (main file)·5 Jan 2026PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.3 MB
    1.20.1·Forge1.4.21.4.2 · starlance-1.4.2.jar (main file)·2 Nov 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 392.6 KB
    1.20.1·Forge1.4.11.4.1 · starlance-1.4.1.jar (main file)·17 Oct 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 390.9 KB
    1.20.1·Forge1.4.01.4.0 · starlance-1.4.0.jar (main file)·17 Oct 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 390.8 KB
    1.20.1·Forge1.3.31.3.3 · starlance-1.3.3.jar (main file)·3 Sep 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 345.5 KB
    1.20.1·Forge1.3.21.3.2 · starlance-1.3.2.jar (main file)·3 Sep 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 345.1 KB
    1.20.1·Forge1.3.11.3.1 · starlance-1.3.1.jar (main file)·30 Aug 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 342.1 KB
    1.20.1·Forge1.3.01.3.0 · starlance-1.3.0.jar (main file)·28 Jul 2025PassedOur checks found nothing harmful in this file. Same code on Modrinth and CurseForge.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 331.2 KB
    1.20.1·Forge1.2.31.2.3 · starlance-1.2.3.jar (main file)·13 Apr 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 209.0 KB
    1.20.1·Forge1.2.21.2.2 · starlance-1.2.2.jar (main file)·12 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 185.1 KB
    1.20.1·Forge1.2.11.2.1 · starlance-1.2.1.jar (main file)·8 Feb 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 183.9 KB
    1.20.1·Forge1.2.01.2.0 · starlance-1.2.0.jar (main file)·9 Jan 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 157.7 KB
    1.20.1·Forge1.1.91.1.9 · starlance-1.1.9.jar (main file)·4 Dec 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 127.9 KB
    1.20.1·Forge1.1.81.1.8 · starlance-1.1.8.jar (main file)·12 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 123.8 KB
    1.20.1·Forge1.1.71.1.7 · starlance-1.1.7.jar (main file)·8 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Stable · 103.1 KB
    1.20.1·Forge1.1.61.1.6 · starlance-1.1.6.jar (main file)·6 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 116.9 KB
    1.20.1·Forge1.1.51.1.5 · starlance-1.1.5.jar (main file)·6 Nov 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 116.9 KB
    1.20.1·Forge1.1.11.1.1 · starlance-1.1.1.jar (main file)·31 Oct 2024PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 103.6 KB
    1 to 20 of 2212

    Quick fixes

    In the last 2 years, 6 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 4 points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.6

    • 1.4.117 Oct 2025Fixed crash on dedicated server
    • 1.3.33 Sep 2025Bug fixes Fixed ships sometimes teleporting back to space…
    • 1.1.78 Nov 2024Bug fixes: - Create contraptions can now teleport with ship…
    • 1.1.66 Nov 2024Fixed a major crash on startup (not sure why it wasn't always…
    • 1.1.11 Nov 2024Bugfix: Crash on placing kinetic blocks from Create.
    • 1.1.030 Oct 2024…from going too fast to stop! - Starlance now crashes with a helpful message when wrong VS is used (thanks…