Expand World Data
valheim — Mods & Enhancements
Expand World Data is a gameplay mod for Valheim that lets you add new biomes and tweak most world generation settings. With 35 endorsements and over 4,000 downloads, it's a niche tool for players who want to customize their world beyond vanilla limits. The author warns to back up your world before making changes.
📦 Full mod page on discovermods
Downloads, ratings, compatibility info, installation guides, and user reviews.
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GameplayExample
Downloads: 4,183 | Endorsements: 35💡 Notes
By Jere Kuusela | v1.68 | 35 endorsements
🎯 Tips & Tricks
Always back up your world files before enabling this mod—the author explicitly warns about this.
Test new biome settings on a fresh world first to avoid corrupting your main save.
Check the mod's page for any compatibility notes with other world-gen mods, as conflicts can cause crashes.
🔧 Troubleshooting
Mod not working
Check load order and required dependencies. Read the full mod description.
⚠️ Common Mistakes
- Installing multiple mods that modify the same files without checking compatibility
👍 Pros
- Decent download count (4,183) shows real interest from the community.
- Opens up creative possibilities for custom world building.
- Active development (last updated July 2026) means it's likely kept current.
👎 Cons
- Low endorsement count (35) compared to downloads suggests it might be finicky or not widely tested.
- No detailed instructions or documentation provided by the author.
- World generation changes can break saves if not handled carefully—backup warning is a red flag for potential issues.