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Chunk Activity Tracker logo

Chunk Activity Tracker

Mod

by Txni

Library mod that stores a heatmap of player activity in chunks

Type

Mod

CurseForge Downloads

11,653,715

CurseForge ID

1193454

Modrinth Downloads

2,464,099

Modrinth ID

BNuR43mM

Last Updated

Nov 6, 2026

Description

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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.

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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)

Compatibility

Mod Loaders

Fabric

Game Versions

1.21.1

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

Mini PC for self-hosting

Mini PC for Self-Hosting

A low-power box that can sit in a cupboard and run a modded server around the clock.

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Included in Modpacks (174)

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External Resources

CurseForge Modrinth Source Code Issues