Fireflies Data Pack for Minecraft 1.20.4 & 1.19.4

Want to make your Minecraft nights actually feel alive? The Fireflies Data Pack adds swarms of glowing fireflies that float around at night and light up your world. It’s a simple addition that makes your builds feel more atmospheric and your nighttime adventures feel less empty.

What This Data Pack Does

Firefly Swarms

Fireflies spawn at night and float around naturally. They glow softly and move in groups, so you’ll see little clusters of light drifting through the air. It’s the kind of detail that makes exploration more enjoyable without changing how the game works.

Biome-Specific Variations

Different biomes get different firefly colors and behavior. Swamps might have one type, forests another. It adds variety without feeling forced.

Customizable Colors

Want different colored fireflies? You can tweak the glow colors to match your builds or just go with whatever looks cool to you.

Ambient Sounds

The pack includes a subtle humming sound that plays when fireflies are around. It’s quiet enough not to annoy you but noticeable enough to add atmosphere.

Catch Fireflies

You can bottle up fireflies in jars if you want. Fun for decoration or just messing around with the mechanic.

Works in Multiplayer

If you’re playing with friends, everyone sees the fireflies. Good for creating a shared relaxing vibe while you build.

How to Install

Installing data packs is straightforward. Head over to our detailed guide at How To Download & Install Data Packs if you need step-by-step instructions.

Quick version: drop the data pack zip file into your world’s datapacks folder, load up your world, and you’re done.

Versions Supported

This data pack works with Minecraft 1.20.4, 1.20.1, and 1.19.4. Download the version that matches what you’re playing.

Downloads

For Minecraft 1.20.4, 1.20.1, and 1.19.4

Data Pack:

Resource Pack:

Check out our full library of Minecraft data packs for more cool additions.