• • 1/28/26 10:59 am • 1 logs
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- Compatibility
- Minecraft 1.21
- Changes include
- Functions
- Structures
547
Terralith Islands worldgen is an addon for Terralith, which adds a dimension made of floating islands using Terralith biomes. Fly high into the sky of the overworld to enter the islands dimension.
If you prefer to replace the overworld by the islands (instead of adding a new dimension), look at Terralith Islands.
Installation
- Download this datapack.
- Download the official Terralith worldgen datapack.
- Create a new world and drag the datapack uppon creation.
- Make sure the Islands datapack is above Terralith.
- Create the world.

Traveling
- Fly high in the sky of your overworld to reach the flying island dimension
- Descend in altitude in the flying islands to return to the overworld
Islands intensities (Patreon feature)
You can chose islands intensity between 5 values: tiny, small, medium, large and massive.A different datapack can be downloaded for each intensity.
Patreon Supporters
1.21.11 (28/01/2026) : Azerxim, Setsu-P, varinyc, nfnpgllxhn
1.21.9 v1 (10/10/2025) : CYKLOPPS, Azerxim, varinyc, Setsu-P, Wani P, Lionel Felke
1.21.9 v1 (10/10/2025) : CYKLOPPS, Azerxim, varinyc, Setsu-P, Wani P, Lionel Felke
Patreon Versions
The free versions are designed to be fun and fully playable.
The Patreon version is for players and server owners who want more control, comfort, and flexibility through an in-game settings menu to tweak the parameters live, without file editing.
Becoming a Gold Patreon also means:
- Getting access to every Patreon versions of every projects.
- Getting your name listed in each project and on this page (see above).
- Supporting long-term development, updates, and new features 💛
The Patreon version is for players and server owners who want more control, comfort, and flexibility through an in-game settings menu to tweak the parameters live, without file editing.
Becoming a Gold Patreon also means:
- Getting access to every Patreon versions of every projects.
- Getting your name listed in each project and on this page (see above).
- Supporting long-term development, updates, and new features 💛
Issue / Bug
License
Short story: just credit the project, thanks ;)

By downloading this work, you automatically accept the license protecting it.

By downloading this work, you automatically accept the license protecting it.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International. An exception is made for video content which can be monetized under the condition of credits attribution according to the license. To view a copy of this license, visit https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.
An exception is made for video, image, sound, blog, and any other media that would share the project. If the purpose of the content is sharing, the content creator may monetize the content. Content creators must simply give appropriate credit and provide a link to the original work.
[datapack title]: [datapack link]
1 Update Logs
1.21.11 Update : by FunkyToc 01/28/2026 10:59:15 amJanuary 28 @ 3:59 pm UTC
1.21.11 fixes
adding timeline support
adding timeline support
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