CurseForge · Minecraft mod
HollowEngine
Engine for development story-based maps & modpacks, also support for scripting recipes, blocks, items, forge events, etc.
Quick answer
Which HollowEngine release should I use?
HollowEngine 2.3.1 1.21.1 targets 1.21.1 with Fabric, NeoForge. 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 HollowEngine 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 HollowEngine 2.3.1 1.21.1 need?
HollowEngine 2.3.1 1.21.1. 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 HollowEngine without breaking your instance.
Built for HollowEngine 2.3.1 1.21.1. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use HollowEngine 2.3.1 1.21.1. It targets 1.21.1 with Fabric, NeoForge; 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 HollowEngine 2.3.1 1.21.1. It opens that exact file at the source.
About this project
What does HollowEngine add?

HollowEngine
HollowEngine is a powerful Minecraft modding tool designed to simplify custom game mechanics, event scripting, and storytelling. It provides developers and modpack creators with a easiest and powerful framework to build interactive experiences without the need to compile complex Java code.
What can it do?
| Key Features: |
|---|
| Event-Driven Scripting: Easily trigger actions based on player behavior, world events, or custom conditions. |
| Story & Quest Tools: Built-in systems for creating interactive dialogues, cutscenes, and branching questlines. |
| Performance-First: Lightweight execution engine that handles complex logic with minimal impact on TPS. |
| Developer Friendly: Clear syntax, helpful logging in IDE, and easy integration with existing modpacks. |
Documentation & Wiki
Looking for script examples, API references, or tutorials? Everything you need to build with HollowEngine is available on our official platform.
Visit our documentation hub for complete guides on triggers, actions, and event scripting:
Read the Documentation at 0mods.team
License & Permissions
Can I use this in my modpack?
Yes! Feel free to include HollowEngine in any public or private modpack.
Source Code: Distributed under the Attribution-NonCommercial-ShareAlike 4.0 International License.
Contributions are welcome on GitHub!
Project description from CurseForge.
Pick your setup
HollowEngine by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.19.2
1 loader build1.19.1
1 loader build1.19
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
HollowEngine versions and loaders
HollowEngine 2.3.1 1.21.1
HollowEngine-1.21.1-2.3.1.jar
15 Sept 2026
HollowEngine 2.3.0.1 Fabric 1.21.1
HollowEngine-fabric-1.21.1-2.3.0.1.jar
4 Sept 2026
HollowEngine 2.3.0.1 NeoForge 1.21.1
HollowEngine-neoforge-1.21.1-2.3.0.1.jar
4 Sept 2026
HollowEngine 2.2.1 NeoForge 1.21.1
HollowEngine-neoforge-1.21.1-2.2.1.jar
9 Jun 2026
HollowEngine 2.2.1 Fabric 1.21.1
HollowEngine-fabric-1.21.1-2.2.1.jar
9 Jun 2026
HollowEngine 2.2.0.1 Fabric 1.21.1
HollowEngine-fabric-1.21.1-2.2.0.1.jar
5 Jun 2026
HollowEngine 2.2.0.1 NeoForge 1.21.1
HollowEngine-neoforge-1.21.1-2.2.0.1.jar
5 Jun 2026
HollowEngine 1.3.1 | Minecraft 1.19.2
hollowengine-1.19.2-1.3.1.jar
16 Jan 2024
Looking for an older file? The official CurseForge project page is in Resources.