Ad Astra Mod for Minecraft 1.20.1, 1.21.1
Live long and prosper, Ad Astra!
Ad Astra
📖About 📖
Ad Astra! (translation: "To the Stars!") is a space mod for Fabric and Forge with a focus on technology, travel and exploration. We've got everything you need to become an astronaut: rockets, space suits, space stations and machines. Why not take a stroll on the Moon? Build a self-sustaining bunker on Mars? Go mining on Venus? The entire Solar System, better yet, Milky Way, is at your disposal!
- Five celestial bodies: The Moon, Mars, Venus, Mercury and Glacio, in two different solar systems. Each planet expresses a distinctive flair, with specific mobs and unique materials.
- Vehicles: Four rocket tiers for interplanetary travel and a rover for traversing the rough, alien terrain ahead.
- Technology: Standard processing machines and generators, along with oxygen generation and distribution, fuel refining, water pumping, cable, fluid pipes and a rocket workbench.
- Building: Spruce up your builds with over 250 building blocks, ranging from planet-specific bricks and stones to space station deco and metal plating.
- An in-game guidebook, explaining everything you need to progress and prosper in Ad Astra!

How to install Ad Astra
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the mod for Minecraft 1.20.1–1.21.1 on Fabric, Forge or NeoForge automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Install Fabric, Forge or NeoForge
The loader must match the game version of the mod file, for example Minecraft 1.21.1. After installing it, a separate profile appears in your launcher.
Download the file for your version
In the version list above, pick the file adastra-1.21.1-1.16.26-fabric.jar (7.0 MB) for your game version and loader.
Put it in the mods folder
The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.
Launch the loader profile
Open “Mods” in the main menu: Ad Astra should be in the list.
Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21.1 | Fabric | [Fabric] Ad Astra 1.16.267 MB 30 | ||
| 1.21.1 | NeoForge | [NeoForge] Ad Astra 1.16.267 MB 57 | ||
| 1.20.1 | Forge | ad_astra-forge-1.20.1-1.15.21.jar7.2 MB 63 | ||
| 1.20.1 | Fabric | [Fabric] Ad Astra 1.15.186.9 MB 36 | ||
| 1.20.1 | Forge | [Forge] Ad Astra 1.15.187.1 MB 2 | ||
| 1.20.4 | NeoForge | [NeoForge] Ad Astra 1.16.36.9 MB | ||
| 1.20.4 | Fabric | [Fabric] Ad Astra 1.16.06.9 MB 2 | ||
| 1.20.4 | NeoForge | [NeoForge] Ad Astra 1.16.06.9 MB |
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