Mission system
It allows you to make custom missions for the different mobs in your world. You can add custom rewards and it has a built in party system allowing you to…
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
The Mission System is a gameplay upgrade that brings structure, challenge, and teamwork into your Minecraft world. It allows you to create your own missions, where players take on specific mobs, complete objectives, and earn custom rewards. You can shape each mission to fit the style of your world, whether you want something simple like a small monster hunt or a tougher encounter that feels more like a boss fight.
Every mission zone can be adjusted to your liking. You can choose which mobs appear, how powerful they are, and what rewards they drop when defeated. The reward system supports everything from basic items to completely custom loot, so you have full control over how players progress and what they receive for completing a mission.
The mod also includes a built-in party system, so you do not have to face missions alone. Players can team up with friends, take on challenges together, and share the rewards at the end of the game. Missions automatically account for the size of the group, which helps keep things fun and balanced, whether someone is playing solo or tackling missions with a full team.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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 CurseForge — 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.
- Ships as jjk_mission_system-1.0.0.jar — drop this file into the mods folder
- Download size: 301 KB
- Download link checked 12 Sept 2026 — working
These come from our own check of the pack file, not from the source page.