Immersive Optimization
A lightweight entity-tick-scheduler for doubling your TPS.
- Loaders
- FabricNeoForgeForge
- Downloads on Modrinth
- 2.7M
- Followers on Modrinth
- 361
- versions
- 74
- Updated
- July 14, 2026Jul 14
- Published
- in 2024
At a glance
Install on the server only; players don't need it
Immersive Optimization
An entity tick scheduler to massively reduce lag (~200% speedup) and resource requirements of entities.
Unlike similar projects, this mod will not disable ticks all together, allowing farms or distant entities to still function.
Works great together with Entity Culling.
Discord
While tested thoroughly, I expect some rough edges. Please report any issues on GitHub or Discord.
Features
- Gradually slows down tick rate of entities and block entities
- Distributes updates over multiple ticks to flatten lag spikes
- Dynamically adjusts tick rate based on server load
- Configuration commands (
/io ...)
Tested Mod-Packs
Exact values change based on situations, but I observed:
- 150% higher performance in Cobblemon 1.20.1 Fabric
- 330% higher performance on a private 700 mods pack (Gallery example)

Immersive Collection
FAQ
How to install Immersive Optimization?
Install Fabric for your Minecraft version, download Immersive Optimization for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does Immersive Optimization support?
Immersive Optimization has builds for Minecraft 1.20.1, 1.21–1.21.1, 1.21.11, 26.1.2–26.2.
Is Immersive Optimization needed on the server?
Server only — players don't need to install it