All Critters in Oxygen is not included in the Aquatic Planet Pack

published Jun 11, 2026, 7:06 AM EDT

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Duplicants have discovered more in space, and now you can explore watery planets Does not contain oxygen with Aquatic Planet Pack DLC. Perhaps the most exciting feature, with new biomes, plants, and more Addition of 8 new critters for your base!

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Aquatic Planet Pack biomes are not included in Oxygen

New biomes have been added to Oxygen Not Included via the Aquatic Planet Pack. Here, you can find out what each biome does and if they are worth it.

All Land Critters in Oxygen are not included in the Aquatic Planet Pack

Oxygen not included Aquatic Planet Pack Slogo

Although the Aquatic Planet Pack DLC Water based has been added, some land based critters and variants have been added Slogo and Guildgo. Slogos are snail-like critters, and guildgoes are a variant found in the Abyss biome.

Critter	Life span	consume	emissions	molt	a drop
Slogo	25 bicycles	100 kg of salt per cycle	50 kg/cycle waste Maximum 30 kg / cycle Mucin	10 kg/cycle slogo moult Jab Khushi crushed in lime	800 kcal meat when attacking
Guildgo	25 bicycles	100 kg/cycle of sulphur	50 kg/cycle obsidian Maximum 30 kg / cycle Mucin	10 kg/cycle Gildgo moult when happy crushes on gold amalgam	800 kcal meat when attacking

Critter

Life span

consume

emissions

molt

a drop

Slogo

25 bicycles

100 kg of salt per cycle

50 kg/cycle waste

Maximum 30 kg / cycle Mucin

10 kg/cycle slogo moult Jab Khushi crushed in lime

800 kcal meat when attacking

Guildgo

25 bicycles

100 kg/cycle of sulphur

50 kg/cycle obsidian

Maximum 30 kg / cycle Mucin

10 kg/cycle Gildgo moult when happy crushes on gold amalgam

800 kcal meat when attacking

All water critters in oxygen are not included in the Aquatic Planet Pack

Oxygen not included Aquatic Planet Pack Beacon

These critters are very beautifully designed and have some unique features that can help your duplicates settle into their new aquatic asteroid home. Many of these fish and critters yield useful building or production material, giving you a renewable way to create it instead of finding it:

Critter	Life span	consume	emissions	give up	notes
Beacon Fish	25 bicycles	10 kg phosphorite/cycle 13% Starnacle growth/cycle	5 kg lemons/cycle Bright when happy	1,000 kcal fish fillet when attacking	They need to be able to come out of the water for oxygen.
Blotter fish	25 bicycles	400 kcal salad/cycle 8% waterweed growth/cycle	15 kg of oxygen/cycle	1,000 kcal fish fillet when attacking	Getting a good waterweed farm where bloater fish are being cultivated will give you a small, naturally recurring oxygen output for your base.
Sequin Critter	100 cycles	3125 g pearls/cycle	12 kg slim/cycle 100 kg of ovolin when milking	1,000 kcal fish fillet when attacking	Pearls can be cultured through clamps Wide hydroponic farm. Ovolin who milks the sequins can be used to boost duplicate morale Caviar At the mess table.
Orehal Critter	100 cycles	2 Calpol units/cycle 20 kg nori/cycle	50 kg of contaminated soil/cycle	6,000 kcal raw shellfish when attacked	You can harvest orehals from their shells for 250 kg of iron ore.
Kelpole Critter	5 cycles	None	None	10 kg of nori when harvested	These can be found in tower kelp and are accepted food for Orhull critters.
Glow Squid	100 cycles	25% Tublia growth/cycle	20 kg Abyssalite/cycle While milking 200 kg of squid ink	9,600 kcal when attacking calamari	They become hostile if their eggs are near them.

Not only do these new critters make for cute companions and add fun to the ranching element of the game, but many of them provide valuable resources that might otherwise be hard to obtain in Aqua Asteroid.