Source-checkedWorld generation

Expand World Data

by JereKuusela · for Valheim

Allows adding new biomes, changing world generation, and configuring spawns, events, and drops.

339KDownloads
16d agoLast updated
BepInExLoaders
ThunderstoreSource

About Expand World Data

From Thunderstore

Allows adding new biomes, changing world generation, and configuring spawns, events, and drops.

Expand World Data

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.

Usage

See documentation.

See examples.

for help and examples.

Tutorials

  • How to make custom biomes: <https://youtu.be/TgFhW0MtYyw> (33 minutes, created by StonedProphet)
  • How to use blueprints as locations with custom spawners: <https://youtu.be/DXtm-WLF6KE> (30 minutes, created by StonedProphet)

Credits

Thanks for Azumatt for creating the mod icon!

Thanks for blaxxun for creating the server sync!

Sources: GitHub Donations: Buy me a computer

Highlights

From source data

Loaders

Runs on BepInEx.

Footprint

Rated a light load on a server.

Dependencies

Needs 2 other projects installed alongside it.

Expand World Data on Nxeon

From our catalogue
One-click install
Supported on Nxeon Valheim servers, for BepInEx servers. We download it from Thunderstore, place it, and restart the server.
Server side
Optional on the server
Server type needed
BepInEx
Server load
light
Smallest plan we suggest
Valheim — 4 GB (4 GB RAM). This follows our own load rating above, not a benchmark.
Latest build
1.79.0, released 2026-10-19

Game versions by loader

LoaderGame versionsNewest
BepInEx

From 30 recorded builds of Expand World Data.

Recent builds

BuildReleasedGame versionsLoaders
1.79.02026-10-19n/aBepInEx
1.78.02026-10-12n/aBepInEx
1.77.02026-10-12n/aBepInEx
1.76.02026-10-11n/aBepInEx
1.75.02026-10-11n/aBepInEx
1.74.02026-10-01n/aBepInEx

Dependencies

Declared by the newest build that lists any. Required ones are installed with it on one-click installs.

Run Expand World Data on a Valheim server

Pick a server or deploy a new one above; it is installed in one click.

What kind of mod it is

From the catalog
Listed on Thunderstore as “Content”

World generation

Changes or adds to how new terrain, biomes and structures are created.

Works on a server

From source side support

Thunderstore lists server-side support for Expand World Data as optional: it can run on a server, but isn’t required there.

Compatibility

Game
Valheim
Loaders
BepInEx
Runs on
Serveroptional on the server
Requires
One-click install needs a BepInEx server. 2 other projects installed alongside it.

Verified at the source

  • ✓ThunderstoreOfficial listing, checked 2026-10-20Open ↗
  • ✓AuthorJereKuusela, as published on Thunderstore
  • ✓LicenseNot published by the sourceFree

Expand World Data, answered

Generated from the mod’s own source data.

Do my players need to install Expand World Data?

Thunderstore lists server-side support for Expand World Data as optional: it can run on a server, but isn’t required there.

Which loaders does it support?

BepInEx.

Is it free?

Yes. Expand World Data is free to download from Thunderstore.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run Expand World Data on a Valheim server.

Deploy in about a minute from $9.99 a month, then add Expand World Data in one click.