ModsJava
Primus Mod (1.20.1) – Fly Rockets to Famous Ben 10 Alien Homeworlds
Java mod listed for Minecraft 1.20. File opened and checked on 5 Oct 2026; downloads from the MC Java Mods app on Android.
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Primus Mod extends Ad Astra with Ben 10 alien planets. It adds famous homeworlds from the cartoon into space for you to explore. You can fly rockets to new solar systems, meet alien creatures, and find special resources on these dangerous worlds.
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Features:
- Pyros Planet: A fiery world filled with volcanoes, lava, and useful resources.
- Vulpin Planet: A pitch-black world that hides rare titanium ore deep underground at Y level 40.
- Spawns Pyronite Villages where you can find loot like iron, gold, and frigyd shards.
- Lets you trade items with friendly Pyronite villagers.
- Drops Pyronite flakes when you use a brush on employed Pyronites.
- Allows you to tame wild Crabdozers using Pyronite flakes.
- Turns tamed Crabdozers into loyal mounts that fight enemies alongside you and can be told to sit.
- Adds dangerous Vulpimancers to the dark planet, which you can try to tame using raw fish.
- Blinds players with a pitch-black effect on Vulpin, making survival much harder.
How to Play:
- Craft a Tier 4 Rocket from the main space mod to reach the new solar systems.
- Equip a Jet Suit or an Omnitrix before launching to survive the harsh alien environments.
- Fly your rocket and select Pyros or Vulpin from the space map.
- Land on Pyros above Y level 70 to avoid falling straight into a lava ocean.
Screenshots:







Primus Mod Download Links
Quick facts
- 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: In MC Java Mods, or directly above on this page.
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
- Downloads as 395109.mcaddon
- Download size: 3.4 MB
- Download link checked 24 Sept 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.