Best Zero Sievert Frameworks and Mod Loaders 2026

Zero Sievert has no official mod support, so the scene is built on a stack of community frameworks. Almost every other mod on this site depends on one of these four, and the loader is the mandatory first install.

1. GMLoader The base mod loader for Zero Sievert and a prerequisite for essentially every other mod in the game's catalogue. · 94,568 dl 2. Json Override Framework Lets multiple mods edit the same vanilla game data JSON files without overwriting each other. · 46,115 dl 3. External Audio Framework Loads custom audio files from outside the game archive so sound mods can coexist. · 40,932 dl 4. Custom Sprite Framework The equivalent plumbing for sprite replacement, letting multiple art mods run side by side. · 14,082 dl

Ranked by hand, not auto-generated. Every mod links to its full page with install guide + compatibility.