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Steam News1 July 20262d ago

O2 Efficiency Updates - Preview Build - v0.9.0.16

Several fixes and improvements with the O2 efficiency mechanic on items. I've added more info about this to the help. Efficiency is displayed in the info window for correct items if affected.

Full notes

Full Deep Space Outpost update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

2 fixes6 additions1 change0 removals
  • Gameplay
addedSeveral fixes and improvements with the O2 efficiency mechanic on items. I've added more info about this to the help. Efficiency is displayed in the info window for correct items if affected. Modifier wasn't being applied to the distillery or lab. Added a new message that shows if any item is not at 100% efficiency due to the low habitat.
changedI've also added CO2 output to the refinery. Previously you would have to buy food to support humans (which provide CO2), or buy CO2 to support Algae farms (to give you food). Either way you were limited to trading to get to either next step. CO2 output from refinery gives you another option, so you can start algae farming without trading.
addedAdd co2 output to refinery (0.2 p/h, 0.3 p/h (advanced)).
addedO2 efficiency affected items were refinery, electrolyser, sabatier, armory add distillery, lab.
addedItems affected by low O2 added to help.
addedImprove: New message displayed if item(s) affected by low air efficiency.

Deep Space Outpost changes

addedSeveral fixes and improvements with the O2 efficiency mechanic on items. I've added more info about this to the help. Efficiency is displayed in the info window for correct items if affected. Modifier wasn't being applied to the distillery or lab. Added a new message that shows if any item is not at 100% efficiency due to the low habitat.
changedI've also added CO2 output to the refinery. Previously you would have to buy food to support humans (which provide CO2), or buy CO2 to support Algae farms (to give you food). Either way you were limited to trading to get to either next step. CO2 output from refinery gives you another option, so you can start algae farming without trading.
addedAdd co2 output to refinery (0.2 p/h, 0.3 p/h (advanced)).
addedO2 efficiency affected items were refinery, electrolyser, sabatier, armory add distillery, lab.
addedItems affected by low O2 added to help.

Several fixes and improvements with the O2 efficiency mechanic on items. I've added more info about this to the help. Efficiency is displayed in the info window for correct items if affected. Modifier wasn't being applied to the distillery or lab. Added a new message that shows if any item is not at 100% efficiency due to the low habitat.

I've also added CO2 output to the refinery. Previously you would have to buy food to support humans (which provide CO2), or buy CO2 to support Algae farms (to give you food). Either way you were limited to trading to get to either next step. CO2 output from refinery gives you another option, so you can start algae farming without trading.

Patch notes:-

  • Add co2 output to refinery (0.2 p/h, 0.3 p/h (advanced)).

  • O2 efficiency affected items were refinery, electrolyser, sabatier, armory add distillery, lab.

  • Items affected by low O2 added to help.

  • ImproveNew message displayed if item(s) affected by low air efficiency.

  • Improve: Low O2 now make machines 75% as efficient (was 70%).

  • Fix: Refinery production figures in stats could be wrong if mix of advanced and not advanced refineries.

  • Fix: O2 efficiency text incorrect in places (not applicable, or incorrect %).

Note, this update is for the optional preview build, see details here for how to opt in. I'm keeping these new additions as optional so you can either wait for v1 release to experience them fresh or choose to opt-in.

Nick

Source

Steam News / 1 July 2026

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