
Chunk Activity Tracker is a simple library mod that tracks information about player activity for each chunk, mainly how much time they spend in them.
This mod does nothing on its own, but provides utilities to mod developers.


Features:
- Tracks how much time, in seconds, each player spends in each chunk.
- Tracks how many blocks each player places in each chunk.
- Optionally, stores initial unmodified heightmap data for each chunk for future reference.
- Optimized binary storage format, simple storage per-dimension in world save folder (stress tested with 100k chunks)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.20.1, 1.20
- 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 CurseForge — 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.
Chunk Activity Tracker is a free Minecraft Java mod. Compatible with Minecraft 1.21.1, 1.20.1, 1.20. Downloaded 9,874,475 times (via CurseForge). Download it and open it directly in the game.