Why Flerovium is a top-tier mod mod for Minecraft 1.21.1
Greatly improve your fps with virtually no side-effects on graphics quality
โ๏ธ Quick Resource Specs
| Mod Creator | moepus |
| Latest Version | 1.21.1 |
| Supported Game Versions | 1.21.1, 1.20.1 |
| File Size | 228.20 KB |
| Last Updated | |
| Total Downloads | 18,326,438 downloads |
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
The Ultimate Guide to Flerovium
If you are exploring the vast world of Minecraft modifications, Flerovium by moepus is a standout mod that deserves your attention. With over 18,326,438 downloads, it has become a staple for players looking to enhance their experience. As the creator describes it, this project is "Greatly improve your fps with virtually no side-effects on graphics quality". Whether you are a veteran builder constructing massive cities, or simply a casual player looking to upgrade your survival world, this guide will provide you with all the essential details on how Flerovium alters the game.
What Makes It Special?
Unlike standard mods that simply alter superficial elements, Flerovium digs deep into the game's engine to provide a cohesive, performance-focused experience. moepus has clearly spent significant time refining the project to ensure that every aspect feels polished and responsive for version 1.21.1.
Installation Guide
Getting Flerovium up and running is straightforward. Follow these step-by-step instructions:
- Verify Your Version: Ensure your Minecraft launcher is set to version 1.21.1.
- Install Mod Loader (if required): If this is a mod, download the compatible loader (Forge, Fabric, NeoForge).
- Download the File: Click the secure download button above to retrieve the official file from CurseForge.
- Move the File: Place the downloaded file into your `mods`, `shaderpacks`, or `resourcepacks` folder depending on the mod type.
- Launch and Enjoy: Open Minecraft, navigate to the respective settings menu, and activate Flerovium.
Compatibility & Performance
Compatibility is robust. Flerovium is designed specifically for version 1.21.1, taking full advantage of the latest engine optimizations. Since this is heavily focused on optimization, you can expect significant frame rate improvements on both low-end and high-end hardware.