ModsJava
Arena Generator
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
ArenaPlugin is a simple Minecraft server plugin that allows admins to generate a massive arena made of barrier blocks with a single command. Perfect for PvP, events, or any scenario where you want to keep players inside a defined area!
Features:
/generatearenacommand for admins- Instantly creates a 300x300x300 box of barrier blocks as arena walls
- Walls extend from the surface all the way down to bedrock
- Prevents players from escaping the arena
- Easy to use and lightweight
Usage:
- Place the plugin JAR in your server's
pluginsfolder. - Restart your server.
- As an admin, use
/generatearenaat your desired location to generate the arena.
Permissions:
arena.generate— Required to use the/generatearenacommand
Compatibility:
- Minecraft 1.20+
- Built for Paper/Spigot servers
Installation:
- Requires Java 8+
- Requires a compatible server (Paper/Spigot)
Source Code: The source code is available on request or can be found in the plugin JAR.
Need a different arena size or more features? Open an issue or request customization!
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- 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 — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as arena-plugin-1.0-SNAPSHOT.jar — drop this file into the mods folder
- Download size: 4 KB
- Download link checked 20 Oct 2026 — working
These come from our own check of the pack file, not from the source page.