How do I install Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons?

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. In MC Java Mods, or directly above on this page.

What Minecraft version does Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons work with?

The listing gives Minecraft 1.21.1, 1.20.1. This is the version stated by the author or source site, not something we verified ourselves.

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Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons

Java mod listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.

by Moon

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Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons — screenshot 1

Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons — screenshot 2

Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons — screenshot 3

Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons — screenshot 4

Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons — screenshot 5

Celestial Outpost Frontier Mod (1.21.1, 1.20.1) – Raid Alien Dungeons — screenshot 6

Celestial Outpost Frontier Mod adds new dungeons and villages for Ad Astra. It brings 7 planetary structures across celestial locations like the Moon, Mars, Mercury, Venus, and Glacio. You can search these remote outposts for loot while traveling through space. The mod also provides full support for the Ad Astra Planets+ addon.

Features:

Adds 7 unique planetary dungeon and base structures to alien worlds.
Spawns custom settlements across the Moon, Mars, Mercury, Venus, and Glacio.
Fills empty planetary landscapes with places to explore and conquer.
Supports both the standard space mod and the Ad Astra Planets+ addon.

Screenshots:

A dark planetary outpost with glowing lanterns under a massive purple moon

A dark stone hallway looking into a purple chamber with glowing blocks

A narrow corridor with orange runic walls inside a planetary outpost dungeon

A dark stone chamber with a glowing floor pattern and a mob spawner

A dark dungeon tunnel with glowing magma blocks and lava pools

A futuristic planetary outpost with glass domes on a grey lunar surface

Celestial Outpost Frontier Mod Download Links

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft versions listed: 1.21.1, 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 505590.mcaddon
Download size: 296 KB
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.

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