ChaosChunks
ModA NeoForge mod that gives you control over Minecraft world generation. Customize biome pools, blacklist or whitelist biomes, tweak region sizes, and use other chaos agents to create unpredictable worlds.
Type
Mod
Modrinth Downloads
19
Modrinth ID
JiCNpJvT
Last Updated
May 19, 2026
Description
ChaosChunks
NeoForge world generation control.
Features
- Custom biome selection system
- Dimension-specific biome control
- Chaos-style biome generation
- Configurable through world creation UI
- Biome tag and blacklist support
- Compatibility with dimension/biome mods
For usage please visit the wiki link
Version Numbering:
There being so many numbers may confuse some users so here is a brief explanation.
chaoschunks-[major_version].H#.F#-[minecraft_version].jar
[major_version] is the major mod version. This version value will increase when there is a considerable change in the mod like a UI change or worldgen change (like smooth biome generation for example)
H# is the hotfix version. Increase in this version number will tell you that there has been a fix to a bug or unexpected behaviour.
F# is the "Fun" version. Increase in this version number will tell you that only cosmetic changes are included in this version like banter or a painting being added.
T# is the test version. This number is completely independent and simply count up per minecraft version until either H or F increases.
[minecraft_version] is the minecraft version that jar is made for.
To see which jar is newer simply follow the [major_version] or if that one is the same add the numbers in H# and F# to get the total version number.
Known issues:
- Biomes without features are usually handled, but edge cases may still occur
- Restricting biome lists to too little (like only having #minecraft:is_nether) causes features to be missing or generation to stall, even keeping the game open when saving and closing.
For bug reports:
https://github.com/dermitio/ChaosChunks
Future Plans
- Hopefully nothing.
- Smooth biomes
- Updates to new minecraft versions
- De-voidification of the void biome!
- More sound effects and music
- Better UI
- True world generation customization (think of the old custom world type)
Note:
The mod is not exactly lightweight as it turns chunk generation into a benchmark for the CPU.
Compatibility
Mod Loaders
Game Versions
Screenshots
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