Custom Skyboxes

Custom Skyboxes

Custom Skyboxes is a mod that allows you to change the sky, clouds, sun, moon, rain, snow, and stars in real time with a texture or GIF with Commands!

by
170 Downloads
fabriccursedgame-mechanicsutility
Rent Server with this Mod

Screenshots

Custom Sky Gif
Custom Skyboxes Screenshot 2
Custom Skyboxes Screenshot 3
Custom End Sky
Custom Skyboxes Screenshot 5
Custom Clouds

About this Mod

Custom Night Sky

Base Command

/customskyboxes <set/biome/reload/clear>

This mod allows you to fully customize the Minecraft sky in real time using textures or animated GIFs stored inside a resource pack.
You can individually replace the sky, sun, moon, clouds, rain, snow, and more for unique visual experiences.

To apply CustomSkyboxes effects to other players, use:
Client Execution Mod


Resource Pack Folder Structure

assets/customskyboxes

customskyboxes/
├── sun
├── moon
├── night_sky
├── day_sky
├── sky
├── clouds
├── rain
└── snow

folders


Why Use CustomSkyboxes?

CustomSkyboxes is perfect for Minecraft map makers, server developers, and content creators who want to create immersive environments and cinematic effects.

With real-time sky customization, you can:

  • Create dynamic weather and atmosphere
  • Add animated skies using GIFs
  • Build unique biomes and dimensions
  • Improve storytelling and immersion
  • Make maps feel more alive and professional
  • Instantly change visuals during gameplay

Whether you're making an adventure map, horror experience, RPG server, or cinematic project, CustomSkyboxes gives you full creative control over the Minecraft sky.

Available Versions

CustomSkyboxes 1.21.5release
MC 1.21.5fabric
May 22, 2026
CustomSkyboxes 1.21.4release
MC 1.21.4fabric
May 22, 2026
CustomSkyboxes 1.21.1release
MC 1.21.1fabric
May 22, 2026

How to Install Custom Skyboxes on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.5).

3

Install Mod

Open the mod browser in the dashboard and search for "Custom Skyboxes". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.5, 1.21.4, 1.21.1

Server-side

Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Custom Skyboxes server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.5). You can switch loaders with one click in the panel.

Is Custom Skyboxes compatible with fabric?

Custom Skyboxes officially supports fabric for Minecraft 1.21.5, 1.21.4, 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Custom Skyboxes – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Custom Skyboxes consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Custom Skyboxes with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Unsupported

Supported Versions

1.21.51.21.41.21.1