Entity Culling Mod (26.3, 1.20.1) – Stop Lag From Hidden Mobs

Entity Culling Mod improves your frame rate by hiding mobs and block objects behind walls and ceilings. Vanilla Minecraft skips drawing things behind you, yet it still renders everything blocked from view in front of you. This mod uses spare CPU cores to check your line of sight in real time and skips rendering anything out of sight. It checks visibility within 64 blocks in each direction around you, forming a 128x128x128 cube. By cutting out hidden visual work on the client side, it boosts FPS without changing mob behavior or farms.

Features:

• Async Path-Tracing: Uses spare CPU threads alongside the main game thread to check line-of-sight visibility in real time without slowing down the game.
• Client Tick Optimization: Reduces client-side processing for hidden mobs and block objects while keeping server simulation, mob spawning, and farms untouched.
• Custom Config Screen: Lets you toggle every feature on or off and add specific mobs or blocks (such as beacons, Create pulleys, or Botania blocks) to a whitelist so they never get hidden.
• Provides an option to treat leaves as solid blocks when playing with fast graphics or custom leaves to boost FPS in forests.
• Runs strictly on the client side, so servers do not need it installed.
• Works alongside Sodium by checking direct line of sight inside loaded chunks rather than only checking visible chunks.
• Allows binding a debug key in the controls menu to toggle the mod on and off during gameplay.

How to Use:

1. Open the Minecraft controls menu and bind a debug key if you want to toggle the mod on and off while playing to test your FPS.
2. Open the mod config screen to turn features on or off, or enable solid-leaf culling when using fast graphics in forests.
3. Add any flickering modded animations or tall blocks (like beacons) to the config whitelist if they get hidden behind walls when they should stay visible.
4. Press F3 + F6 in newer Minecraft versions if you want to view internal render counts on the debug screen.

Screenshots:

Requirements:

Fabric Loader RequiredFabric API RequiredMinecraft Forge RequiredNeoForge Required

Entity Culling Mod Download Links