InstantSimCleanup
Java mod listed for Minecraft 1.0–26.x. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthInstantSimCleanup is a forced server optimization plugin that reduces lag by aggressively clearing inactive zones. Instead of relying on a standard timer, it uses a chunk distance control mechanic to remove everything in areas where there are no players.
How it works: Out-of-bound chunk clearing: The plugin instantly removes absolutely all items and unnecessary entities that are located further than the chunk radius specified in the config (outside the active gameplay zone).
Zero chat spam: The clearing process happens automatically and silently, without any annoying countdowns or chat warnings.
Safe for important mobs: The system completely ignores and will NOT clear passive (domestic) animals, as well as any mobs named with a Name Tag.
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.0, 1.1, 1.2.1
- 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.
- Ships as InstantSimCleanup-1.0.jar — drop this file into the mods folder
- Download size: 5 KB
- Download link checked 25 Oct 2026 — working
These come from our own check of the pack file, not from the source page.