ModsJava
Stellaris Rebound Mod (1.21.1) – Colonize Harsh Alien Planets
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
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Stellaris Rebound Mod extends Galacticraft with landable planets, harsh space weather hazards, and restored space vehicles. The mod adds multi-biome terrain to Mercury, Venus, Mars, the Moon, and the Asteroid Belt. Players face harsh temperatures, solar flares, and Mars dust storms that affect machines and solar panels. It also introduces boss fights, autonomous mining gear, and space station management options.
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Features:
- Landable Solar System: Adds explorable multi-biome worlds across Mercury, Venus, the Moon, Mars, and Asteroid dimensions.
- Space Weather Hazards: Brings Mars dust storms, Mercury solar flares, and harsh day-night temperature shifts.
- Restored Space Vehicles: Returns the drivable Buggy, autonomous Astro Miner, Cargo Rocket, and multi-tier rockets.
- Mercury features four biomes, custom stone blocks, crystal clusters, and heat damage.
- The Moon offers six biomes with deep craters, olivine spires, cheese flora, and Moon villages.
- Mars includes canyons, dunes, volcanics, polar regions, and four-phase dust storm events.
- Venus contains lava seas, shield volcanoes, sulfur flats, and corrosive sulfuric acid.
- The Asteroid Belt introduces floating terrain chunks and an asteroid dungeon structure.
- Adds new machines such as the Energy Storage Cluster, Fluid Tank, Painter, Deconstructor, and Oxygen Detector.
- Introduces boss arenas and encounters for Creeper, Spider, Mars, and Venus bosses.
- Spawns planetary ores including desh on Mars and galena on Venus.
- Gives server owners options to manage space stations and group orbital dimensions.
Commands:
/duststorm: controls and tests Mars dust storm events in the game.
Screenshots:








Stellaris Rebound Mod Download Links
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: 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 504555.mcaddon
- Download size: 65.7 MB
- Download link checked 25 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.