ModpacksJava
Cosinusoid
This modpack is specially designed to increase your FPS!. Free Minecraft Java modpack for 1.21.11.
⬇ Download on Modrinth1. About this modpack:
The goal of this modpack is to achieve the highest possible FPS
2. Warning:
- If you want to add graphical mods, they might not work. This pack uses VulkanMod for better performance, so many OpenGL-based mods won't be compatible.
- Make sure your GPU supports Vulkan
You will need Java 22 or higher with the following arguments:
--enable-preview --enable-native-access=ALL-UNNAMED
3. Result:
Verified by MCModsHub
- Downloads as Cosinusoid 1.21.4 [1.0.0].mrpack
- Download size: 105 KB
- Download link checked 23 Aug 2026 — working
These come from our own check of the pack file, not from the source page.