CurseForge · Minecraft mod
Modern defence system
A mod for autonomous sentry turrets that operate on energy, powered by the Mekanism mod.
Quick answer
Which Modern defence system release should I use?
Modern defence system moderndefencesystem-0.3.0.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Modern defence system required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Modern defence system moderndefencesystem-0.3.0.jar need?
moderndefencesystem-0.3.0.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Modern defence system without breaking your instance.
Built for Modern defence system moderndefencesystem-0.3.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use moderndefencesystem-0.3.0.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside moderndefencesystem-0.3.0.jar. It opens that exact file at the source.
About this project
What does Modern defence system add?
A mod featuring modern tower defenses that can be controlled manually, or equipped with modules to function as autonomous defenders.
Project description from CurseForge.
Pick your setup
Modern defence system by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Modern defence system versions and loaders
moderndefencesystem-0.3.0.jar
13 Nov 2026
moderndefencesystem-1.20.1-forge-0.2.1.jar
7 Nov 2026
moderndefencesystem-1.20.1-forge-0.1.0.jar
6 Nov 2026
Looking for an older file? The official CurseForge project page is in Resources.