
Radiation Zones
Radiation Zones adds configurable radiation zones to Minecraft. Players outside safe areas receive harmful effects unless protected by Lugol's iodine.
Screenshots

About this Mod

Radiation Zones adds configurable radiation zones to Minecraft. Players outside safe areas receive harmful effects unless protected by Lugol's iodine. Customizable with admin commands and advanced config available on Paper, Fabric, and NeoForge.
How to install?
- Ensure you are using correct version of the mod loader or plugin loader.
- Drop the downloaded mod/plugin into your mods/plugins folder.
- Launch the game. The config should create in
config/folder.
Features
- Radiation zones defined per dimension.
- Admin commands to set and clear safe zones.
- Harmful effects applied to players outside safe zones.
- Lugol's iodine (custom effect + potion) as radiation protection.
- Configurable boss bar warning inside radiation zones.
- Configurable broadcast messages (zone entry / Lugol consumption).
- Shared gameplay concept across:
paper,fabric,neoforge.
Commands (mod/plugin)
/radiation safe <radius>- sets a safe zone in the current dimension around the command source position./radiation clear- removes the safe zone in the current dimension.
Note: commands can be disabled in configuration (enableCommands).
Configuration
- Fabric/NeoForge:
radiationzones-server.jsonin the instanceconfigdirectory. - Paper: YAML configuration in the
papermodule (config.yml,zones.yml).
Configurable areas include:
- radiation check interval,
- radiation effect list,
- Lugol settings (color, duration, recipe),
- boss bar settings,
- broadcast toggles and message templates.
Credits
- This project is a fork of CraftserveRadiation.
- The original project was released under the Apache-2.0 license.
- The original developer is Aleksander Jagiello.
License
This project is distributed under the GPL-3.0 license.
Available Versions
How to Install Radiation Zones on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set bukkit Loader
In the panel under "Egg", select the bukkit loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Radiation Zones". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Radiation Zones server crashes on startup – what to do?
Most common cause: wrong bukkit 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 (1.21.1). You can switch loaders with one click in the panel.
Is Radiation Zones compatible with bukkit and fabric and neoforge and paper and purpur and spigot?
Radiation Zones officially supports bukkit, fabric, neoforge, paper, purpur, spigot for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Radiation Zones – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Radiation Zones 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.
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Install Radiation Zones with just one click on your server.