ModsJava
Upgrade Underground
A Cave-Overhaul mod that adds new biomes, tools, items, and enhances QoL by adding small tweaks
⬇ Download on Modrinth
Verified by MCModsHub
- Ships as upgrade_underground-1.6.0-forge-1.20.1.jar — drop this file into the mods folder
- Download size: 838 KB
- Download link checked 9 Aug 2026 — working
These come from our own check of the pack file, not from the source page.