JereKuusela-Expand_World icon

Expand World

This mod allows adding new biomes and changing most of the world generation.

Last updated 2 weeks ago
Total downloads 40228
Total rating 13 
Categories Server-side Client-side Mistlands Update Misc
Dependency string JereKuusela-Expand_World-1.25.0
Dependants 101 other mods depend on this mod

This mod requires the following mods to function

denikson-BepInExPack_Valheim-5.4.2100 icon

BepInEx pack for Valheim. Preconfigured and includes unstripped Unity DLLs.

Preferred version: 5.4.2100


Expand world

This mod allows adding new biomes and changing most of the world generation.

Always back up your world before making any changes!

Install on all clients and on the server (modding guide).

Some features are available also as server only mode.


See documentation.

See location examples.

See other examples.


Migration from version 1.23

  • If you have used paint in expand_biomes.yaml, then update the values to match the new format.

Migration from version 1.19

  • If you have modded creatures spawning in wrong places, regenerate expand_spawns.yaml by removing it or manually set biome: None when missing.


Thanks for Azumatt for creating the mod icon!

Thanks for blaxxun for creating the server sync!

Thanks for redseiko for the asynchronous minimap generating!

Sources: GitHub

Donations: Buy me a computer


  • v1.25

    • Adds a new setting Zone Spawners to the config file.
    • Changes the data files to be loaded in reverse order (so thaat the original files are loaded last).
    • Fixes map pins moving when panning the map with higher map sizes.
  • v1.24

    • Adds scale, chance and zdo data to the field objects in the expand_locations.yaml.
    • Adds a new field noBuildDungeon to the expand_locations.yaml (default is false).
    • Adds new fields paint, paintRadius and paintBorder to the expand_locations.yaml.
    • Adds new fields levelRadius and levelBorder to the expand_locations.yaml.
    • Adds a new field objects to the expand_spawns.yaml.
    • Adds blueprint support to the field objects in the expand_locations.yaml.
    • Adds blueprint support to the blueprint files.
    • Adds a new command ew_icons to print available location icons.
    • Changes the format of field paint in the expand_biomes.yaml to match expand_locations.yaml.
    • Changes the field noBuild in the expand_locations.yaml to also accept numbers.
    • Changes the field levelArea in the expand_locations.yaml from number to true/false.
    • Changes the field levelArea in the expand_locations.yaml to also work for non-blueprint locations.
    • Changes the field iconAlways in the expand_locations.yaml to also accept text (to set the icon).
    • Changes the field iconPlaced in the expand_locations.yaml to also accept text (to set the icon).
    • Changes the default no build to not affect dungeons.
    • Removes the Custom Raids biome compatibility (Custom Raids added proper support).
    • Fixes error with the new update.
  • v1.23

    • Adds a new field noBuild to the expand_biomes.yaml (default is false).
    • Fixes object swap not working for dungeon doors.
    • Fixes warning message from vanilla location data.
    • Fixes expand_spawns.yaml being affected by "Biome data" setting.
    • Fixes biome names being synced for every server synced mod.
    • Fixes no build not working for blueprints.
  • v1.22

    • Fixes error message caused by removed locations.
    • Fixes location blueprints causing terrain issues when overflowing to adjacent zones.
  • v1.21

    • Adds a new field scaleUniform to the expand_vegetations.yaml (default is true).
    • Improves mod compatibility.
    • Fixes the vegetation scaling being separate for each axis.

Available versions

Please note that the install buttons only work if you have compatible client software installed, such as the Thunderstore Mod Manager. Otherwise use the zip download links instead.

Upload date Version number Downloads Download link  
2023-3-17 1.25.0 3387 Version 1.25.0 Install
2023-3-14 1.24.0 1063 Version 1.24.0 Install
2023-2-23 1.23.0 3263 Version 1.23.0 Install
2023-2-10 1.22.0 2779 Version 1.22.0 Install
2023-1-18 1.21.0 4369 Version 1.21.0 Install
2023-1-15 1.20.0 955 Version 1.20.0 Install
2023-1-12 1.19.0 1228 Version 1.19.0 Install
2023-1-11 1.18.0 313 Version 1.18.0 Install
2022-12-19 1.17.0 7297 Version 1.17.0 Install
2022-12-6 1.16.0 2313 Version 1.16.0 Install
2022-11-30 1.15.0 1013 Version 1.15.0 Install
2022-11-28 1.14.0 391 Version 1.14.0 Install
2022-11-18 1.13.0 1444 Version 1.13.0 Install
2022-11-9 1.12.0 1105 Version 1.12.0 Install
2022-11-4 1.11.0 817 Version 1.11.0 Install
2022-10-30 1.10.0 882 Version 1.10.0 Install
2022-10-18 1.9.0 1466 Version 1.9.0 Install
2022-10-17 1.8.0 305 Version 1.8.0 Install
2022-10-15 1.7.0 384 Version 1.7.0 Install
2022-9-11 1.6.0 3406 Version 1.6.0 Install
2022-9-11 1.5.0 92 Version 1.5.0 Install
2022-8-22 1.4.0 760 Version 1.4.0 Install
2022-8-7 1.3.0 267 Version 1.3.0 Install
2022-7-31 1.2.0 196 Version 1.2.0 Install
2022-7-14 1.1.0 396 Version 1.1.0 Install
2022-6-30 1.0.0 337 Version 1.0.0 Install