Pyradium (Forge)

Pyradium is a general-purpose optimization mod and unofficial fork of the Fabric mod Lithium for Minecraft Forge. This mod aims to optimize the general…

Which Minecraft do you have?

Every version of the game needs its own build. Pick yours, then download — the wrong build installs fine and then does nothing in the game. This mod is built for Forge only.

Minecraft 1.16.5Newest
Minecraft 1.16.4

⬇ Download for 1.16.5 ⬇ Download for 1.16.4

I don't know my version or loader

Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.

No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.

Open in MCModsHub Get it on Google Play →

Pyradium is a general-purpose optimization mod and unofficial fork of the Fabric mod Lithium for Minecraft Forge. This mod aims to optimize the general performance of Minecraft

Verified by MCModsHub

Ships as caesium-forge-1.16.5-0.6.6.jar — drop this file into the mods folder
Download size: 346 KB
Download link checked 16 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

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