ModsJava
Simple JetPack Mode
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
A 2D JetPack mod that lets you fly (only height and width, no thickness). Pressing the "J" key gives you a flying effect. It also prevents you from losing health with a feather effect. If you want to fly peacefully without fireworks, this mod is for you! Instructions are in the Videos/Photos section.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.8
- 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 asli_j-1.0.0-neoforge-1.21.8.jar — drop this file into the mods folder
- Download size: 54 KB
- Download link checked 6 Oct 2026 — working
These come from our own check of the pack file, not from the source page.