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William Wythers' Expanded Ecosphere

William Wythers' Expanded Ecosphere

MOD
This mod adds close to 200 biomes and aims to make the overworld more realistic and atmospheric
by Cristelknight
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5,010,508 downloads
0 likes
Updated Oct 14, 2026
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Adventure and RPG Biomes World Gen
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William Wythers' Expanded Ecosphere

This Fabric / NeoForge mod soughts to re-create the vanilla overworld in a way that makes a more realistic and atmospheric world.

Description

In the 1.19 update to this mod I have gone far beyond what I ever did before, adding close to 200 new biomes to make a world infinitely more immersive than any of this mod's earlier iterations. With such a large scope, there will surely be areas where refinement is needed. If you see any such places, please give me your feedback in the comments below or even better on Discord.

Where is WWOO (WWOO/WWEE difference)?

We decided to split WWOO in two distinct mods:

  • Expanded Ecosphere: This mod includes new biomes and builds upon the old 1.19/1.20 WWOO (bad compatibility with other world-gen mods).
  • WWOO: This new project is focused on overhauling the vanilla biomes and is inspired by the style of the old 1.16/1.17 WWOO (good compatibility with other world-gen mods).

Features Expanded Ecosphere

  • Large Biomes! Because of some problems with world presets, you should not use the vanilla world presets. Instead use the forceLargeBiomes option, found in the WWOO config.
  • A config menu is available if you install Cloth Config and on fabric also Mod Menu.
  • The overworld isn't piglin safe. (On datapack it is, so that the Hoglins which can spawn in the overworld don't mutate to Zoglins)

Questions, or need more information? Check out the GitHub!

WWEE 3.4.7
MC Client, Fabric, 1.21.1, Server
Release 2026-07-04 Get
WWEE 3.4.7
MC Client, 1.21.1, NeoForge, Server
Release 2026-07-04 Get
WWEE 3.4.6
MC Client, Fabric, 1.21.1, Server
Release 2026-05-27 Get
WWEE 3.4.6
MC Client, 1.21.1, NeoForge, Server
Release 2026-05-27 Get
WWEE NeoForge 3.4.5
MC Client, 1.21.1, NeoForge, Server
Release 2025-12-04 Get
WWEE Fabric 3.4.5
MC Client, Fabric, 1.21.1, Server
Release 2025-12-04 Get
WWEE NeoForge 3.4.4
MC Client, 1.21.1, NeoForge, Server
Release 2025-11-17 Get
WWEE Fabric 3.4.4
MC Client, Fabric, 1.21.1, Server
Release 2025-11-17 Get
WWEE NeoForge 3.4.1.1
MC 1.21, Client, NeoForge, 1.21.1, Server
Release 2024-11-16 Get
WWEE Fabric 3.4.1.1
MC 1.21, Fabric, Client, 1.21.1, Server
Release 2024-11-16 Get
WWEE NeoForge 3.4.3
MC Client, NeoForge, 1.21.3, Server
Release 2024-11-16 Get
WWEE Fabric 3.4.3
MC Fabric, Client, 1.21.3, Server
Release 2024-11-16 Get
WWEE NeoForge 3.4.2
MC Client, NeoForge, 1.21.3, Server
Release 2024-11-10 Get
WWEE Fabric 3.4.2
MC Fabric, Client, 1.21.3, Server
Release 2024-11-10 Get
WWEE NeoForge 3.4.1
MC 1.21, Client, NeoForge, 1.21.1, Server
Release 2024-09-21 Get
WWEE Fabric 3.4.1
MC 1.21, Fabric, Client, 1.21.1, Server
Release 2024-09-21 Get
WWEE NeoForge 3.4.0
MC 1.21, Client, NeoForge, Server
Release 2024-07-24 Get
WWEE Forge 3.2.4
MC Client, NeoForge, 1.20.1, Forge, Server
Release 2024-01-03 Get
WWEE Fabric 3.2.4
MC Fabric, Client, 1.20.1, Server, Quilt
Release 2024-01-03 Get
WWEE Fabric 3.3.1
MC Fabric, Client, Forge, 1.20.4, Server
Release 2023-12-29 Get
WWEE Forge 3.2.3
MC Client, NeoForge, 1.20.1, Forge, Server
Release 2023-11-07 Get
WWEE Fabric 3.2.3
MC Fabric, Client, 1.20.1, Server, Quilt
Release 2023-11-07 Get
WWEE Forge 3.3.0
MC 1.20.2, Client, Forge, Server
Release 2023-11-07 Get
WWEE Fabric 3.3.0
MC 1.20.2, Fabric, Client, Server, Quilt
Release 2023-11-07 Get
WWOO-FORGE-3.2.1
MC Client, NeoForge, 1.20.1, Forge, Server
Beta 2023-09-13 Get
WWOO-FABRIC-3.2.1
MC Fabric, Client, 1.20.1, Server, Quilt
Beta 2023-09-13 Get
WWOO 3.2.0-beta2
MC Fabric, Client, 1.20.1, Forge, 1.20, Server, Quilt
Beta 2023-08-29 Get
WWOO 3.2.0-beta
MC Fabric, Client, 1.20.1, Forge, 1.20, Server, Quilt
Beta 2023-06-26 Get
WWOO-FORGE-2.6.4.jar
MC Client, 1.18.2, Forge, Server
Release 2023-04-27 Get
WWOO-FABRIC-2.6.4.jar
MC Fabric, Client, 1.18.2, Server, Quilt
Release 2023-04-27 Get
WWOO-FORGE-3.1.13.jar
MC 1.19.4, Client, Forge, Server
Release 2023-03-24 Get
WWOO-FABRIC-3.1.13.jar
MC 1.19.4, Fabric, Client, Server
Release 2023-03-24 Get
WWOO-FORGE-3.1.12.jar
MC 1.19.3, Client, Forge, Server
Release 2023-02-14 Get
WWOO-FABRIC-3.1.9.1.jar
MC Fabric, Client, 1.19.2, Server
Release 2022-12-31 Get
WWOO-FABRIC-3.1.11.jar
MC 1.19.3, Fabric, Client, Server
Release 2022-12-31 Get
WWOO-FORGE-3.1.11.jar
MC 1.19.3, Client, Forge, Server
Release 2022-12-31 Get
WWOO-FORGE-3.1.10+1.19.3.jar
MC 1.19.3, Client, Forge, Server
Release 2022-12-22 Get
WWOO-FABRIC-3.1.10+1.19.3
MC 1.19.3, Fabric, Client, Server
Release 2022-12-09 Get
WWOO-FABRIC-3.1.9+1.19.2
MC Fabric, 1.19.2
Release 2022-12-02 Get
WWOO-FORGE-3.1.9+1.19.2
MC 1.19.2, Forge
Release 2022-12-02 Get
wwoo_forge-3.1.8-1.19.2.jar
MC 1.19.2, Forge
Release 2022-10-19 Get
wwoo-3.1.8-FABRIC-1.19.2.jar
MC Fabric, 1.19-Snapshot, 1.19.2, 1.19.1, 1.19
Release 2022-10-18 Get
wwoo-2.6.3-FORGE-1.18.2.jar
MC 1.18.2, Forge
Release 2022-09-07 Get
wwoo-2.6.2-FORGE-1.18.2.jar
MC 1.18.2, Forge
Release 2022-09-03 Get
wwoo-2.6.2-FABRIC-1.18.2.jar
MC Fabric, 1.18.2, Quilt
Release 2022-09-03 Get
wwoo_forge-2.6.21.18.2.jar
MC 1.18.2, Forge
Release 2022-09-02 Get
wwoo-2.6FABRIC1.18.2.jar
MC Fabric, 1.18.2, Quilt
Release 2022-09-02 Get
wwoo_forge-2.6.1+1.18.2.jar
MC 1.18.2, Forge
Release 2022-08-22 Get
wwoo-2.6+FABRIC+1.18.2.jar
MC Fabric, 1.18.2, Quilt
Release 2022-08-19 Get
wwoo_forge-2.6+1.18.2.jar
MC 1.18.2, Forge
Release 2022-08-19 Get

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