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Congratulations, you've left the safe haven of the Overworld and are shooting towards the Moon or maybe even your own space station! However, there's one critical thing you're going to need to adventure onto new frontiers: oxygen.

Without a stable supply of oxygen, your health will slowly deteriorate in empty space (Overworld Space Station) or on the Moon. It's a fairly difficult resource to gather, but it is absolutely necessary for travel outside the Overworld.

Getting Started

First things first, you're going to need a spacesuit. It's hard to breathe without a helmet (Oxygen Mask), and you'll need Oxygen Gear and Oxygen Tanks to supply the helmet with oxygen.

If playing Galacticraft in Creative mode, you won't see the spacesuit fitting room. Instead, switch to Survival mode, press "E" for the basic inventory and 2x2 crafting view, then click the second tab at the top (see Player Inventory Tab for details). Note: Space gear goes on over armor - hope you've been training hard to carry all this gear!

Spacesuit inventory tab with no equipment.


Oxygen Mask
Glass_Pane Glass_Pane Glass_Pane Grid layout Arrow (small).png Oxygen_Mask
Glass_Pane Iron_Helmet Glass_Pane
Glass_Pane Glass_Pane Glass_Pane

Oxygen Gear
  Oxygen_Pipe   Grid layout Arrow (small).png Oxygen_Gear
Oxygen_Pipe Oxygen_Concentrator Oxygen_Pipe
Oxygen_Pipe   Oxygen_Pipe

Great, you should now have two out of three parts for your spacesuit. However, you're going to need somewhere to store that oxygen.

Oxygen Tanks

A completed Oxygen Suit with two Heavy Oxygen Tanks

There are three types of Oxygen Tanks: Light, Medium, and Heavy. Each holds a different amount of oxygen, Light holding the least, Heavy holding the most. Note the colours of the tanks are an easy way to tell their capacity.

Light Medium Heavy
Green Orange Red
900 units 1800 units 2700 units


Light Oxygen Tank

Galacticraft 2:

Lime_Wool     Grid layout Arrow (small).png Light_Oxygen_Tank

Galacticraft 1:

Lime_Wool     Grid layout Arrow (small).png Light_Oxygen_Tank

Medium Oxygen Tank

Galacticraft 2:

Orange_Wool Orange_Wool   Grid layout Arrow (small).png Medium_Oxygen_Tank
Tin_Canister Tin_Canister  
Compressed_Tin Compressed_Tin  

Galacticraft 1:

Orange_Wool Orange_Wool   Grid layout Arrow (small).png Medium_Oxygen_Tank
Tin_Canister Tin_Canister  
Tin_Ingot Tin_Ingot  

Heavy Oxygen Tank

Galacticraft 2:

Red Wool Red Wool Red Wool Grid layout Arrow (small).png Heavy_Oxygen_Tank
Tin Canister Tin Canister Tin Canister
Compressed Steel Compressed Steel Compressed Steel

Thermal Expansion:

Red_Wool Red_Wool Red_Wool Grid layout Arrow (small).png Heavy_Oxygen_Tank
Tin_Canister Tin_Canister Tin_Canister
Lead_Ingot Lead_Ingot Lead_Ingot

Basic Components:

Red Wool Red Wool Red Wool Grid layout Arrow (small).png Heavy_Oxygen_Tank
Tin Canister Tin Canister Tin Canister
Steel Ingot Steel Ingot Steel Ingot

Choose your tanks based on how long you wish to remain in space.

Fill Me Up Scotty!

In order to fill your Oxygen Tank it will require building an Oxygen Compressor. Oxygen compressors will require power for it to work and will need to have Oxygen piped to it from the Oxygen Collector.

Permanent Oxygen Systems

So now you're in space and want to set up a base somewhere. Great! However, it's a pain to keep traveling back and forth from the Overworld to refill oxygen. Maybe an oxygen setup would be good.

Small Room

A great starting area (especially on the Moon) is a small room with a working Air Lock, Oxygen Sealer (inside) and a working Oxygen Collector outside.

The outside.

The interior. Note the working torch.

The pipe system.

See also

  • Air Lock article with more details and video-tutorial.
Unless stated otherwise, all information contained on this wiki should be considered outdated and might not reflect in-game experiences