СераSulfur is an atmospheric resource in Astroneer. It can be obtained using the Atmospheric Condenser on the planets Calidor and Atrox. The Atmospheric Condenser utilizes a 5-unit capacity container to create and store the gas, which is generated automatically without the need for additional resources. The gas container can be used in crafting five times before it disappears. The container has a circular indicator on its lid that shows the remaining gas. The concentration of sulfur varies on different planets and moons, ranging from sufficient amounts to its complete absence.

In the game, the orange circle (indicator) on the sulfur canister is divided into five segments and does not have a continuous shape as shown in the picture.

To differentiate sulfur from other gases in storage, the sulfur containers are colored orange. Be cautious when handling sulfur near dynamite, as this gas is highly flammable and can explode instantly.

Regardless of the planet where sulfur collection is set up and your location, all modules in Astroneer will continue their work and resource gathering. Astroneer utilizes a chunk system for world generation, but loading occurs globally.

Sulfur deposit

Calidor Calidor100
Atrox Atrox75


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  • Where can I find sulfur in Astroneer? How can I make sulfur in Astroneer?
    Since sulfur is an atmospheric resource, it can only be condensed and concentrated into containers using the “Atmospheric Condenser” connected to power. Sulfur can be found on the planets Calidor and Atrox.
  • Can I collect sulfur on one planet while playing on another?
    Yes, you can. The game mechanics in Astroneer are different from many other games. All processes continue independently regardless of your location in the game world.
  • What does gas concentration mean? Are they percentages in the table?
    Gas concentration refers to the amount of substance present in a consistent volume of atmosphere. The higher the concentration, the faster the Atmospheric Condenser will collect the gas. In Astroneer, gas concentration is not measured in percentages.
  • Is there a difference in energy consumption depending on the concentration?
    No, the Atmospheric Condenser always consumes the same amount of energy regardless of the concentration.

Interesting facts

  • If you place sulfur in the research chamber, upon its full analysis, you will receive 300 bytes. The research speed will be 120 bytes per minute. Thus, it is possible to indefinitely generate bytes from energy.
  • Sulfur is highly explosive. If detonated near dynamite or in your inventory, it will cause your character to perish.
  • Jokes involving sulfur and the smelting furnace are not recommended. If sulfur enters the furnace, it will detonate, causing an explosion that destroys the platform and nearby modules.