1.20.1 Forge Requires Embeddium
1.21.1 NeoForge Requires Sodium
Client Only Mod
Makes Item Rendering 50%+ faster
By:
- Backface culling
- Fast Math
- LOD
Makes Particle Rendering about 50% faster
By:
- Fast Math
- Fast Culling
- Cache Light
Makes Entity Rendering about 30% faster
By:
- Fast Math
- Backface culling


150% fps boost rendering 2000 item entities


600% fps boost render 4096 items on Create's place cards (Every item is rendered, no distant culling)
Also does effects on Create's Mechanical Belt and Depot


50% fps boost rendering 16384 Cherry Particles


150% fps boost rendering 840 skeletons
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
Flerovium is a free Minecraft Java mod. Compatible with Minecraft 1.21.1, 1.20.1. Downloaded 22,068,358 times (via CurseForge). Download it and open it directly in the game.