iceNslice's Simple Fireflies
A performance friendly datapack that brings a more immersive nighttime experience with the addition of fireflies!
⬇ Download on Modrinth
Simple Fireflies is a lightweight and performance firendly datapack which aims to brings back fireflies to Minecraft. The pack emulates what this feature could have been if Mojang went through with the idea:
- Fireflies will spawn in appropriate biomes at night...
- ...only if the player is close to vegetation...
- ...with fully customisable settings coming soon...
- ...and a custom ressource pack!
To access the configuration menu, use the command: /trigger fireflies.options set 1
This will open the configuration menu where you will be able to chose wether a setting is turned ON of OFF but clicking [Yes] [No] after the setting's description in chat.
Please note that a ressource pack is needed to obtain the best results while using the datapack. The texture is common to copper block interactions and glow squid ambient effect and could cause compatibility issues with other ressource packs.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.4
- 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 — see the MC Java Mods guides for the full walkthrough.
- Downloads as icenslice-simple-fireflies.zip
- Download size: 164 KB
- Download link checked 5 Sept 2026 — working
These come from our own check of the pack file, not from the source page.