Rainium: Make it Pour Performance Rainium is a high-performance Minecraft modpack designed to squeeze every frame out of your hardware. By optimizing the rendering engine and streamlining background processes, Rainium can provide a 2x to 4x increase in FPS compared to vanilla Minecraft.
Whether you are building massive technical projects or want to run high-end shaders with ease, Rainium provides the stability and speed you need.
Key Features
Massive FPS Boosts: Includes industry-standard optimization mods like Sodium, Lithium, and Starlight to ensure your game runs as smoothly as possible.
Shader Support out of the Box: Experience beautiful visuals without the typical performance hit.
Improved Memory Management: Reduces stuttering and lag spikes, especially during world generation or in hardware-intensive areas.
Lightweight Design: No unnecessary bloat—only the essential mods required for peak performance.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 26.2
- 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 Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as Rainium 1.0.4.mrpack
- Download size: 36 KB
- Download link checked 11 Sept 2026 — working
These come from our own check of the pack file, not from the source page.