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    2,024,305 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 2026.269,486 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.

    The Lost Cities

    Mod

    Allows the player to play in an old abandoned city instead of the normal overworld.

    A95/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNothing sent
    • AIPossible AI tool
    • CompatibilityUp to 26.3
    • ModpacksIn 7,701
    • ReleasesLatest 21 Oct

    Download

    lostcities-fabric-26.3-26.3-12.0.0-fabric.jar

    Released 21 Oct 2026 · 1.4 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • Fabric APIAMinecraft 26.3 · Fabric (release 0.165.0)
    • Forge Config API PortAMinecraft 26.3 · Fabric (release 26.3.1)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Regular releases for the newest Minecraft versions
    • Public source code and issue tracker
    • Widely used
    • Around for years

    Points lost

    • Some modpacks removed it−3 points
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.3 days ago (21 Oct 2026) 12 / 12
      Supports popular versionsWhether the project has a file for one of the Minecraft versions many modpacks use, like 1.20.1 or 1.21.1.26.3 (latest) on NeoForge and Fabric, 1.20.1 on Forge 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

      3 points lost19 / 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.63 of the 338 modpacks with two or more versions removed it in a later one (19%) See the 63 modpacks7 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.4 of its 33 releases in 2 years needed a quick fix (12%) 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 · McJty/LostCities 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · McJty/LostCities 3 / 3

    • Popularity

      Full points4 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.103,700,180 4 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.9.4 years, 293 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 8 latest files for recent Minecraft versions. See Security
    Total95 / 100

    Images

    • City View
    • Into the mountain
    • A crossing
    • Tunnel
    • In the city
    • Tall bridge
    • Very tall bridge
    • In the Desert
    • Country side
    • City by night
    • BoP
    • The Control Center
    • The Jungle
    • Highway
    • Inside
    • Highway
    • Ruins
    • Tunnel in the jungle
    • Crater in ice
    • Bridge
    • Crossing
    • A Bridge
    • Biomes O Plenty support
    • City View
    • City View in Ice

    About

    The Lost Cities replaces the usual Overworld landscape with a procedurally generated abandoned civilization, integrated into the surrounding terrain and compatible with biome and terrain-generation mods. Its cityscapes include ruined skyscrapers and apartment blocks, factories, parks, roads, highways, bridges, railways, tunnels, and subway systems, with options for sprawling urban regions or rare cities separated by wilderness. Buildings can have detailed interiors with loot, spawners, cellars, and lighting, while configurable decay produces anything from safer structures to heavily damaged ruins, and some areas may be flooded or filled with underground rooms and hazards. World-generation profiles offer distinct landscapes such as tall skylines and domed cities, and the in-game configuration screen lets players choose a profile and customize settings including city frequency, building height, damage, terrain, infrastructure, and loot. Modpack authors can define custom profiles and data-driven buildings, palettes, city styles, world styles, and other generation assets.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Changes the game's code in 2 areas: 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..

    Adds 1 dimension: Lostcity; 2 loot tables.

    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
    Zombie AwarenessCSecurityCraftAImmersive EngineeringCAI Improvements: Performance TuningAThermal FoundationC

    Details

    Creator
    McJty
    License
    MIT License
    Downloads
    103.7M
    Created
    3 Jun 2017
    Official pages
    Modrinth , CurseForge
    Links
    Source code , Issues , Wiki , 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 24 latest files checked
    • 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.
      24 latest files: the newest file for each Minecraft version and loader. The answer above is about the 8 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 ModrinthA form on Modrinth where the author can declare that the project interacts with your system outside the game. It is optional.
      Declares no interactions with 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

    Sends nothing

    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 · All 8 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 all 8 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthA form on Modrinth where the author can declare crash reports, usage data and advertisements. It is optional.
      Declares no crash reports, usage data or advertisements.

    AI

    An AI tool may have been used

    An instructions file for AI instructions file (AGENTS.md) is in its repository.

    This does not show that it was used to make the files you download.

    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 ModrinthA form on Modrinth where the author can declare AI content and AI features in the game. It is optional and most authors leave it empty.
      Declares no AI content and no AI features.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Possible signThe tool was seen around the project. This does not show that it was used to make the files you download.: A AI instructions file (AGENTS.md) file AGENTS.mdWeak signA branch name only. It does not show that the tool was used.: A branch named like those GitHub Copilot creates copilot/120-review-street-highway-concurrency
    • 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
      38 of 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
      18 images read
    • Icon and galleryThe metadata of the original icon and gallery images of the project.
      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
      323 code files read

    Compatibility

    See all 293 files
    Fabric
    NeoForge
    Forge
    1.101.141.171.2026.1

    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.Install it on the server. Players join without installing it. It also works in singleplayer.
    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.
    Fabric APIon FabricAForge Config API Porton FabricA
    OptionalProjects it can work with but does not need. The author lists them.
    The One Probeon NeoForge and ForgeA
    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.Slower than most mods. On average, it gets a file 134 days after a new Minecraft version comes out. Measured on the last 6 Minecraft versions.

    Related projects

    Projects that need The Lost Cities to work.

    ProjectTypeDownloadsGrade
    Lost SoulsBMod19M downloadsLost Cities Modern TweaksBMod3.7M downloadsLost Cities FilterDMod3.2M downloadsLost RadarCMod3M downloadsLost Worlds LCCMod2.8M downloadsLC²H [Lost Cities: Multithreaded]BMod2.2M downloadsKeerdm Zombie Apocolypse EssentialsEMod117K downloadsSandier Keerdm's Zombie EssentialsEMod60K downloadsWastifyDMod52K downloadsLost Cities Modern Tweaks (Lights Off Edition)CMod44K downloads
    1 to 10 of 1812

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    3001500
    Oct 2024: 218 modpacksNov 2024: 222 modpacksDec 2024: 239 modpacksJan 2025: 220 modpacksFeb 2025: 194 modpacksMar 2025: 203 modpacksApr 2025: 230 modpacksMay 2025: 224 modpacksJun 2025: 198 modpacksJul 2025: 216 modpacksAug 2025: 215 modpacksSep 2025: 197 modpacksOct 2025: 204 modpacksNov 2025: 187 modpacksDec 2025: 205 modpacksJan 2026: 207 modpacksFeb 2026: 173 modpacksMar 2026: 237 modpacksApr 2026: 208 modpacksMay 2026: 231 modpacksJun 2026: 257 modpacksJul 2026: 269 modpacksAug 2026: 239 modpacksSep 2026: 202 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 2024218
    Nov 2024222
    Dec 2024239
    Jan 2025220
    Feb 2025194
    Mar 2025203
    Apr 2025230
    May 2025224
    Jun 2025198
    Jul 2025216
    Aug 2025215
    Sep 2025197
    Oct 2025204
    Nov 2025187
    Dec 2025205
    Jan 2026207
    Feb 2026173
    Mar 2026237
    Apr 2026208
    May 2026231
    Jun 2026257
    Jul 2026269
    Aug 2026239
    Sep 2026202

    7,701 modpacks include The Lost Cities in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    RLCraft30.4M downloadslast version with it 27 Jun 2023Zombie Invade 100 Days15.3M downloadslast version with it 13 Dec 2025SkyFactory 414.2M downloadslast version with it 13 Dec 2021All the Mods 9 - ATM913.7M downloadslast version with it 12 Oct 2025DeceasedCraft - Urban Zombie Apocalypse9.8M downloadslast version with it 17 Jul 2026Cursed Walking - A Modern Zombie Apocalypse8.7M downloadslast version with it 8 Aug 2026All the Mods 6 - ATM66.5M downloadslast version with it 24 Jan 2024Project Ozone 3 A New Way Forward3.2M downloadslast version with it 16 Jan 2023All the Mods 3 - ATM33.1M downloadslast version with it 20 Jan 2022All the Mods 7 - ATM73.1M downloadslast version with it 21 Mar 2024
    1 to 10 of 30123

    Often in the same modpacks

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

    ProjectTypeShareGrade
    Zombie AwarenessCModin 36% of the modpacks with The Lost CitiesSecurityCraftAModin 36% of the modpacks with The Lost CitiesImmersive EngineeringCModin 36% of the modpacks with The Lost CitiesAI Improvements: Performance TuningAModin 35% of the modpacks with The Lost CitiesThermal FoundationCModin 34% of the modpacks with The Lost CitiesMekanism GeneratorsBModin 33% of the modpacks with The Lost CitiesFastWorkbenchBModin 31% of the modpacks with The Lost CitiesBotaniaAModin 31% of the modpacks with The Lost CitiesThermal ExpansionCModin 31% of the modpacks with The Lost CitiesSerene SeasonsAModin 30% of the modpacks with The Lost Cities
    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
    26.3·Fabric12.0.012.0.0 · lostcities-fabric-26.3-26.3-12.0.0-fabric.jarSends: NothingRequires:Fabric API, Forge Config API PortFabric API, Forge Config API PortPassedOur checks found nothing harmful in this file. Its code was read too.
    26.3·NeoForge12.0.012.0.0 · LostCities-26.3-12.0.0.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·Fabric11.0.311.0.3 · lostcities-fabric-26.2-26.2-11.0.3-fabric.jarSends: NothingRequires:Fabric API, Forge Config API PortFabric API, Forge Config API PortPassedOur checks found nothing harmful in this file. Its code was read too.
    26.2·NeoForge11.0.311.0.3 · LostCities-26.2-11.0.3.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    26.1.2·NeoForge10.0.610.0.6 · LostCities-26.1.2-10.0.6.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.11·NeoForge9.5.69.5.6 · LostCities-1.21.11-9.5.6.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge1.21-8.4.61.21-8.4.6 · lostcities-1.21-8.4.6.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge1.20-7.5.71.20-7.5.7 · lostcities-1.20-7.5.7.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    Older Minecraft versions
    1.21·NeoForge8.2.28.2.2 · lostcities-1.21-8.2.2.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21·NeoForge8.2.28.2.2 · lostcities-1.21-8.2.2.jarSends: NothingRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1 to 10 of 24123

    293 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    26.3The latest file for its Minecraft version and loader·Fabric12.0.012.0.0 · lostcities-fabric-26.3-26.3-12.0.0-fabric.jar (main file)·21 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    26.3The latest file for its Minecraft version and loader·NeoForge12.0.012.0.0 · LostCities-26.3-12.0.0.jar (main file)·21 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.3 MB
    26.2The latest file for its Minecraft version and loader·Fabric11.0.311.0.3 · lostcities-fabric-26.2-26.2-11.0.3-fabric.jar (main file)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    26.2The latest file for its Minecraft version and loader·NeoForge11.0.311.0.3 · LostCities-26.2-11.0.3.jar (main file)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    26.1.2The latest file for its Minecraft version and loader·NeoForge10.0.610.0.6 · LostCities-26.1.2-10.0.6.jar (main file)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    1.21.11The latest file for its Minecraft version and loader·NeoForge9.5.69.5.6 · LostCities-1.21.11-9.5.6.jar (main file)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    1.21.1The latest file for its Minecraft version and loader·NeoForge1.21-8.4.61.21-8.4.6 · lostcities-1.21-8.4.6.jar (main file)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    1.20.1The latest file for its Minecraft version and loader·Forge1.20-7.5.71.20-7.5.7 · lostcities-1.20-7.5.7.jar (main file)·4 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    26.2·Fabric11.0.211.0.2 · lostcities-fabric-26.2-26.2-11.0.2-fabric.jar (main file)Beta·1 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.4 MB
    26.2·NeoForge11.0.211.0.2 · LostCities-26.2-11.0.2.jar (main file)Beta·1 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.4 MB
    26.1.2·NeoForge10.0.510.0.5 · LostCities-26.1.2-10.0.5.jar (main file)Beta·1 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.4 MB
    1.21.11·NeoForge9.5.59.5.5 · LostCities-1.21.11-9.5.5.jar (main file)Beta·1 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.4 MB
    1.21.1·NeoForge1.21-8.4.51.21-8.4.5 · lostcities-1.21-8.4.5.jar (main file)Beta·1 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.4 MB
    1.20.1·Forge1.20-7.5.61.20-7.5.6 · lostcities-1.20-7.5.6.jar (main file)·1 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    1.20.1·Forge1.20-7.5.51.20-7.5.5 · lostcities-1.20-7.5.5.jar (main file)·12 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 1.4 MB
    26.2·Fabric11.0.111.0.1 · lostcities-fabric-26.2-26.2-11.0.1-fabric.jar (main file)Beta·12 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.4 MB
    26.2·NeoForge11.0.111.0.1 · LostCities-26.2-11.0.1.jar (main file)Beta·12 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    26.1.2·NeoForge10.0.410.0.4 · LostCities-26.1.2-10.0.4.jar (main file)Beta·12 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    1.21.11·NeoForge9.5.49.5.4 · LostCities-1.21.11-9.5.4.jar (main file)Beta·12 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    1.21.1·NeoForge1.21-8.4.41.21-8.4.4 · lostcities-1.21-8.4.4.jar (main file)Beta·12 Sep 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Beta · 1.3 MB
    1 to 20 of 29312345…15

    Quick fixes

    In the last 2 years, 4 releases 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.4

    • LostCities - 1.20-7.5.74 Oct 2026LostCities 1.20-7.5.7 Fixed the Transport preview crashing when customising cities…
    • LostCities - 1.20-7.4.103 Jan 2026…TqLxQuanZ fixed single player forceSpawnParts having race condition not…
    • LostCities - 1.21-8.3.316 Aug 2025…1.21-8.3.3 - Fixed chunk generation errors in the Lost City dimension…
    • LostCities - 1.20-7.3.45 Nov 2024…1.20-7.3.4 - Fixed a bug with cellars