Concurrent Chunk Management Engine for Forge
ModFaster world generation and chunk loading for smoother play.
- Security
- Passed
- Privacy
- None found
- Runs on
- Client or server
- Loaders
- Forge
- Minecraft versions
- Minecraft 1.20.1
Why gradeC
How grades workStrengths
Points lost
- No release in 13 months−10 points
- Many modpacks removed it−6 points
- Releases in only 2 of the last 24 months−5 points
- Some projects say they do not work with it−1 point
All 11 criteria
Maintenance
11 points lost16 / 27Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.13 months ago (13 Sep 2025). 42 modpacks released in the last 6 months still include it, so it keeps 48% of these points. 6 / 12Supports 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 515 popular Forge mods updated in the last 6 months also have files for 1.20.1. Latest Minecraft: 26.3. 9 / 9Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 2 of the last 24 months 1 / 6Stability
7 points lost8 / 15Removed 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.22 of the 76 modpacks with two or more versions removed it in a later one (29%) See the 22 modpacks4 / 10Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.Not measured yet.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.2 of 3 known conflicts count in the grade See the 3 known conflicts4 / 5Transparency
Full points10 / 10Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · sj-hub9796/c2meF 7 / 7Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.GitHub issues · sj-hub9796/c2meF 3 / 3Popularity
Full points4 / 4DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.414,479 4 / 4Track record
4 points lost4 / 8AgeHow long the project has existed. It counts less when no new file came out recently.14 months, 2 releases 4 / 8Security
PassedFile 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
41.7 of the 64 points that apply = 65 out of 100. The points above are rounded to whole numbers.
Images
About
Concurrent Chunk Management Engine for Forge is an unofficial Forge port of C2ME that aims to improve chunk generation, storage input and output, and loading by using multiple CPU cores in parallel. It is designed to retain vanilla functionality and world-generation behavior rather than changing generation for speed, while noting that results can vary between runs even with the same seed because vanilla generation is nondeterministic. Vanilla-compatible world-generation datapacks are supported, and custom generators supplied by other mods may work but can encounter compatibility issues. The Forge port also includes several bug-fix patches compared with the original C2ME project.
Written from Modrinth . How we write it
In-game changes
Changes the game's code in 10 areas:
- World generationChanges 54 game code files in this area: Aquifer.FluidStatus, LegacyRandomSource.LegacyPositionalRandomFactory, Blender, ChunkGenerator, MultiNoiseBiomeSource, StructureStart and 48 more. The area covers terrain, biomes and structures made when new land is created.: the chunk generator, where biomes are placed and 52 more
- Chunk loading and storageChanges 16 game code files in this area: ChunkHolder, DistanceManager, RegionFileStorage, RegionFile, SectionStorage, ServerChunkCache and 10 more. The area covers how the game loads, tracks, saves and unloads chunks.: chunk loading on the server, which chunks stay loaded and 13 more
- Server and world logicChanges 8 game code files in this area: Main, DedicatedServer, MinecraftServer, Level, ServerLevel, AdvancementCommands and 2 more. The area covers the world, commands, scoreboards, saved data and game rules.: the server's main class, the world on the server and 6 more
- Game coreChanges 6 game code files in this area: CompoundTag, JfrProfiler, ResourceLocation, ListTag, Util and NbtOps.NbtRecordBuilder. The area covers the main loop, lighting and other code the whole game uses.: shared helper code, the names of game resources and 4 more
- Rendering and graphicsChanges 2 game code files in this area: Transformation and OctahedralGroup. The area covers drawing mobs, items, particles and textures on screen.:
OctahedralGroup,Transformation - Mobs and their behaviorChanges 2 game code files in this area: ShufflingList and GateBehavior.OrderPolicy. The area covers mobs, animals, villagers, projectiles and how they move and act.:
GateBehavior.OrderPolicy,ShufflingList - Game optionsChanges 1 game code file in this area: Options. The area covers settings, key bindings and the option screens.: the game options
- PlayerChanges 1 game code file in this area: PlayerList. The area covers your character: movement, abilities, hunger and controls.: the server's list of players
- Networking and multiplayerChanges 1 game code file in this area: ServerGamePacketListenerImpl. The area covers connections, the server list and what is sent between your game and a server.: what the server does with messages from players
- Game data and resourcesChanges 1 game code file in this area: Type. The area covers recipes, tags, advancements, language files and other game data.:
Type
Adds no new blocks, items or other content.
Keeps all of vanilla Minecraft's textures, models and sounds.
Details
- Creator
- sj.hub9796
- License
- MIT License
- Downloads
- 414K
- Created
- 22 Aug 2025
- Official page
- Modrinth
- Links
- Source code , Issues
Security
No harmful code found
We checked its files and read their code.
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 3 libraries 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. 1 file 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
- FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do. 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. This shows what it downloads, what it sends and where your login goes.Read
- 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.
- Connects to the internetIn the classes UrlUtil, SMAPSourceDebugExtension and MixinAPVersion.
- Creates settings filesIn the class ConfigSystem.
- 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: 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
- Files readWe read the code. 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
- 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 README.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 found2 changelogs read
- Its filesCredits and texts in the files you download that name an AI tool.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 found1 image read
- Code of the modWhat we read in the code and files of the mod: 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 file322 code files read
Compatibility
See all 2 filesPoint at or tap a version to see its loaders.
Known conflicts
These projects do not work together with Concurrent Chunk Management Engine for Forge: their authors or Concurrent Chunk Management Engine for Forge's author say so. If you install both, the game can crash or some features can stop working. Some of them do the same job as Concurrent Chunk Management Engine for Forge, so you only need one.
Modpacks using this project
Find modpacks with it| Oct 2024 | 0 |
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| Nov 2024 | 0 |
| Dec 2024 | 0 |
| Jan 2025 | 0 |
| Feb 2025 | 0 |
| Mar 2025 | 0 |
| Apr 2025 | 0 |
| May 2025 | 0 |
| Jun 2025 | 0 |
| Jul 2025 | 0 |
| Aug 2025 | 1 |
| Sep 2025 | 6 |
| Oct 2025 | 13 |
| Nov 2025 | 4 |
| Dec 2025 | 9 |
| Jan 2026 | 10 |
| Feb 2026 | 11 |
| Mar 2026 | 10 |
| Apr 2026 | 11 |
| May 2026 | 11 |
| Jun 2026 | 5 |
| Jul 2026 | 15 |
| Aug 2026 | 10 |
| Sep 2026 | 6 |
More modpacks put it in their new versions than a year ago: 10 a month now, 1 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..
100 modpacks include Concurrent Chunk Management Engine for Forge in at least one of their versions. Here are the 30 most downloaded.
Keo Optimized882K downloadslast version with it 21 Mar 2026
Create Train74K downloadslast version with it 24 Feb 2026
Better TaCZ Modpack [Unofficial]70K downloadslast version with it 14 Sep 2025
OptimizationHyperN(OPHN)40K downloadslast version with it 5 Apr 2026
Uton Optimizator21K downloadslast version with it 11 Apr 2026
Biomes, Bosses and Beings11K downloadslast version with it 2 Jul 2026
VORTEX Foundations9.6K downloadslast version with it 23 Jan 2026
The Beginning of the End8.7K downloadslast version with it 10 Oct 2025
Create: Warzone6.9K downloadslast version with it 10 Mar 2026
Forged in Dragonfire6.7K downloadslast version with it 13 Jun 2026Often in the same modpacks
Mods that modpacks often add together with Concurrent Chunk Management Engine for Forge. Share: how many of the modpacks with Concurrent Chunk Management Engine for Forge also have that mod.
FerriteCoreAModin 100% of the modpacks with Concurrent Chunk Management Engine for Forge
Memory Leak Fix-Modin 81% of the modpacks with Concurrent Chunk Management Engine for Forge
Dynamic FPSAModin 69% of the modpacks with Concurrent Chunk Management Engine for Forge
BadOptimizationsAModin 65% of the modpacks with Concurrent Chunk Management Engine for Forge
Sinytra ConnectorAModin 58% of the modpacks with Concurrent Chunk Management Engine for Forge
ChunkyAModin 52% of the modpacks with Concurrent Chunk Management Engine for Forge
Starlight (Forge)-Modin 48% of the modpacks with Concurrent Chunk Management Engine for Forge
Packet FixerAModin 48% of the modpacks with Concurrent Chunk Management Engine for Forge
AmendmentsAModin 47% of the modpacks with Concurrent Chunk Management Engine for Forge
Create: Steam 'n' RailsAModin 46% of the modpacks with Concurrent Chunk Management Engine for ForgeLatest 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.