ModsJava
Hollow Engine
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
Powerful content creation framework for modpacks maps and servers. Features Kotlin scripting, in-game scripting IDE, advanced NPCs, dialogues, animations, and cutscenes all in one.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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 HollowEngine-1.21.1-2.3.1.jar — drop this file into the mods folder
- Download size: 31.2 MB
- Download link checked 11 Oct 2026 — working
These come from our own check of the pack file, not from the source page.