About Expand World Data
From ThunderstoreAllows 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.
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 dataLoaders
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
| Loader | Game versions | Newest |
|---|---|---|
| BepInEx |
From 30 recorded builds of Expand World Data.
Recent builds
| Build | Released | Game versions | Loaders |
|---|---|---|---|
| 1.79.0 | 2026-10-19 | n/a | BepInEx |
| 1.78.0 | 2026-10-12 | n/a | BepInEx |
| 1.77.0 | 2026-10-12 | n/a | BepInEx |
| 1.76.0 | 2026-10-11 | n/a | BepInEx |
| 1.75.0 | 2026-10-11 | n/a | BepInEx |
| 1.74.0 | 2026-10-01 | n/a | BepInEx |
Dependencies
- Required: YamlDotNet
- Required: BepInExPack Valheim
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 catalogWorld generation
Changes or adds to how new terrain, biomes and structures are created.
Works on a server
From source side supportThunderstore 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






