Terralith ~ Overworld Evolved is a project made to completely revolutionize the Overworld's generation. Released July 28th of 2021, Terralith makes full use of modern worldgen tools to create beautiful landscapes with new terrain types, like canyons and amplified terrain, painted over by more than 70 new biomes, inspired by places all around the world or by fantastical fauna, while also enhancing existing biomes and adding new variants to them. The new 1.18 caves were also enhanced with new cave shapes and about 10 new cave types. Alongside this, new structures and features can be found to assist your exploration.
Terralith was the second project of Stardust Labs and took around 1300 hours spread on almost a year for its creator, Starmute, to understand and operate the new WorldGen tools that were available for Datapacks in 1.17. The 1.17 version is still available as Terralith Legacy, and the newest version of Terralith, which can also be called Terralith 2.0, made use of the additional WorldGen options of 1.18 to add new terrain types and rework the caves. All the biomes deemed too dark were scrapped from that version to instead allow more marvelous and survival-friendly biomes. Since then, thanks to the more documented updates of the WorldGen tools, snapshots, and experience, all updates for Terralith are planned to release on the same day as a new major update of Minecraft.
Official download page 1.18 - 1.20.6 
Biomes
Terralith's main focus is terrain, but after adding and overhauling Vanilla terrain with new features and shaping, the next step was to paint that terrain with more than 70 new biomes, each with their own block palette, trees, foliage, colors, features, mobs and structures. Here is a full list of the biomes and changes to Vanilla biomes added by Terralith.
Surface biomes |
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Cave biomes |
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Deep cave biomes |
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Vanilla biomes changes
Although Terralith already overhauls the terrain greatly, it also modifies some vanilla biomes slightly to make them more alive and thrive among other similar biomes. The changes may vary from the addition of some blocks or changing the shape of a tree to completely new features and or terrain shapes.
Minor changes
Plain and open biomes got some changes to make them feel more alive. Plains biomes, for example, have more grass and tall grass, with some random but rare patches of coarse dirt. The Vanilla Savanna biome also now has rare stripes of dirt paths going through it, as if wildlife lived there and have left trails behind them.
Some minor changes to Vanilla biomes include trees. Terralith changes trees in Taiga biomes, Swamp biomes, and also in the Dark Forest biome, which now has taller trees, making it easier to navigate, with some glow lichen, making it less dangerous but more mysterious.
Major changes
Despite tweaking some detail in some biomes, Terralith adds new shapes into the terrain, but without forgetting the Vanilla biomes.
Mountains can now be more spectacular with Terralith, sometimes sharp, amplified, or soft like Vanilla, but they can also be taller than before by being able to reach Y290, Y256 being the maximum value a player could reach on a Vanilla world.
To smooth out the sharper terrain, Terralith makes use of slabs and layered snow where it can to make the landscape more pleasant.
Cliffs biomes can now generate as beautiful Overhangs, making seasides more imposing, Desert biomes are now made of Dunes, making the landscape realistic and smooth, you can also come across Arches in Mesas and finally, you can sometimes stumble upon Mega caves when mining underground.
Oceans have been overhauled, not with new blocks or biomes, but with deeper and more detailed terrain, making the deep end of the ocean look equally frightening as it is beautiful.
Ores
Terralith does not modify the ore distribution in Vanilla biomes, and only changes the material of the ore in some case, turning it in deepslate ore if dark material can be found around it, and raises the appearance of some ores in specific Terralith biomes. For example, Emerald peaks appear with more Emerald Ores, Scarlet mountains spawn with more Redstone Ores, and Volcanic crater spawn with more Diamond Ores.
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Chart of the Vanilla Ore distribution since 1.18
Features
Terralith adds and uses WorldGen features to make your world more unique.
Mega ravines
Mega ravines are WorldGen features found in Terralith and Terralith Legacy. Unlike Vanilla ravines, they extend downward, sometimes reaching the Bedrock. Although excellent for mining, they can be deadly if you happen to fall in one.
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Mega geodes
Mega geodes are Worldgen features added by version 2.0.2 of Terralith. Bigger than classic, Vanilla geodes, those geodes are 2 to 3 times larger and unlike Vanilla ones, they cannot appear connected to a cave, meaning the only way to find them is through strip-mining.
Andesite boulders
Andesite boulders are WorldGen features added to Terralith in version 2.0.10. They indicate Andesite caves underneath the surface, just like Vanilla Azalea trees indicate lush caves.
Granite pillars
Granite pillars are WorldGen features added to Terralith in version 2.0.10. Functioning like Azalea trees indicate a Lush cave, they indicate that Granite caves can be found underneath.
Diorite patch
Diorite patches are WorldGen features added to Terralith in version 2.0.10. They indicate Diorite caves underneath the surface, just like Vanilla Azalea trees indicate lush caves.
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_TL2.1.png)
Structures
With the release of 1.18.2 and the comeback of Vanilla structures in custom biomes and Custom structures, Terralith decided to make full use of this update to return some structures from Terralith Legacy and even add some new ones in it's 2.1 version. Here is a list of all of them.
| Name | Structure ID | Variants  |
Pieces |
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| Fortified village | terralith:fortified_village
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1 | 33 |
| Fortified desert village | terralith:fortified_desert_village
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1 | 27 |
| Spire | terralith:spire
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1 | 1 |
| Glacial hut | terralith:glacial_hut
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3 | 3 |
| Giant bee hive | terralith:underground/giant_bee_hive
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2 | 2 |
| Oak cabin | terralith:underground/oak_cabin
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2 | 2 |
| Mining outpost | terralith:underground/mining_outpost
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2 | 3 |
| Old refinery | terralith:underground/old_refinery
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1 | 1 |
| Sunken tower | terralith:underground/sunken_tower
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1 | 1 |
| Witch hut | terralith:underground/witch_hut
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1 | 1 |
| Frosted dungeon | terralith:underground/frosted_dungeon
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1 | 1 |
| Mage tower | terralith:mage_tower
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5 | 1 |
| Mage complex | terralith:mage_complex
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| Desert outpost | terralith:desert_outpost
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1 | 1 |
| Valley lodge | terralith:valley_lodge
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1 | 1 |
| Igloo | terralith:igloo
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| Rubble | terralith:
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Items
Compatibilities
This community-driven list is here to inform you about the Datapacks and Mods affecting the Overworld that are compatible with Terralith. Meaning Mods'/Datapacks' structure/ores/blocks/plants/mobs/items appear in or merge seamlessly with Terralith terrain.
If a Mod or Datapack is not in the list, it is either untested, incompatible, or not a mod that has its content appear in or merging seamlessly with Terralith biomes, including, for example, Datapacks or Mods affecting other/new dimensions. Some of those Mods or Datapacks might have not been updated to the latest Minecraft or Terralith version, but will probably work with it once they are.
Terralith is compatible with all Stardust Labs projects on any available versions. The only Stardust Labs projects that cannot be used together are Incendium and Amplified Nether.
Being an Overworld WorldGen project, other WorldGen Datapack/Mods for the Overworld that add biomes will likely not work well alongside Terralith unless compatibility was brought by either side through an addon or update. Every other Datapacks or Mods, that do not affect that, should work and possibly blend together with Terralith without issues, moreso if they work using Fabric or Forge tags. WolrdGen plugins aren't and will not be supported.
Note that Fabric mods will most of the time need Fabric API to work, and for this reason it was not listed as a needed add-on. Also note that Quilt is not a perfect replacement for Fabric and that some mods might not work properly with it.
Do not hesitate to update/rectify/add known compatible Mods or Datapacks to the list if they meet the requirements above. Learn how to do so on the contributing page.
List of compatible Fabric/Quilt Mods |
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List of compatible Forge Mods |
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List of compatible Datapacks |
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Showcases
Note that the following articles and videos linked here will only be in English. For showcases in other languages, change the wiki's used language for the one you want.
Articles
Videos
Changelogs
| Version | Release date | Changes summary |
|---|---|---|
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2.5.0 |
2024-04-30 |
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2.4.11 |
2023-12-08 |
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2.4.10 |
2023-12-06 |
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2.4.9 |
2023-12-06 |
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2.4.8 |
2023-10-29 |
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2.4.7 |
2023-10-01 |
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2.4.6 |
2023-09-22 |
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2.4.5 |
2023-08-27 |
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2.4.4 |
2023-08-24 |
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2.4.3 |
2023-07-21 |
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2.4.2 |
2023-07-10 |
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2.4.1 |
2023-07-03 |
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2.4 |
2023-06-07 |
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2.3.12 |
2023-10-29 |
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2.3.11 |
2023-08-24 |
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2.3.10 |
2023-07-31 |
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2.3.9 |
2023-07-23 |
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2.3.8 |
2023-05-23 |
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2.3.7 |
2023-03-17 |
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2.3.6 |
2022-12-12 |
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2.3.5 |
2022-10-10 |
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2.3.4 |
2022-09-07 |
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2.3.3 |
2022-07-27 |
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2.3.2 |
2022-06-10 |
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2.3.1 |
2022-06-10 |
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2.3 |
2022-06-07 |
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2.2.6 |
2023-12-08 |
{{Changelog|Version=2.2.5|Date=2023-12-07|Changes=*(Re)Added biome tags, which is vastly improve compatibility with other mods on 1.18.2.
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2.2.4 |
2023-05-30 |
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2.2.3 |
2022-03-09 |
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2.2.2 |
2022-09-23 |
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2.2.1 |
2022-03-16 |
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2.2 |
2022-03-09 |
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2.1.2 |
2022-03-04 |
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2.1.1 |
2022-02-28 |
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2.0.12 |
2022-01-14 |
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2.0.11 |
2022-01-12 |
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2.0.10 |
2022-01-07 |
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2.0.9 |
2022-01-02 |
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2.0.8 |
2022-01-01 |
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2.0.7 |
2021-12-29 |
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2.0.6 |
2021-12-22 |
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2.0.5 |
2021-12-13 |
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2.0.4 |
2021-12-08 |
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2.0.3 |
2021-12-06 |
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2.0.2 |
2021-12-05 |
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2.0.1 |
2021-12-04 |
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2.0 |
2021-11-30 |
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