All Oxygen Not Included Critters — What Lives in Your Base

There are many critters in the game. Each wild Critter lays one egg in their lifetime. Ranching can be used to increase the number of critters, eggs, and materials. Some species produce materials and most critters drop m

All critters have a base variant. When a critter lays an egg, there's a chance that the egg will produce a different variant (so call "morph") of that critter. For example, a Hatch can morph into a "Sage Hatch", "Stone H

Drecko is a critter found in the Caustic Biome. They are a renewable source of Phosphorite, which makes them important for Wheezeworts maintenance and Fertilizer production. Dreckos grow scales in a atmosphere while not

Eggs are laid by Critters. The morph of an egg can be different than the critter that laid it, with the chances for various morphs be influenced by various conditions. ==Egg Type== When an egg is cracked, most will outpu

Gassy Moo is a non-aggressive, large flying critter that excrete , and can be milked for . Gassy Moos do not appear on the asteroid, and have to be brought from Organic Mass by a rocket equipped with Biological Cargo Bay

The Hatch is a Critter found in the starting Temperate Biome. They produce Coal, Eggs, Meat, and Refined Metal. They can be domesticated. == Behavior == This creature is nocturnal and eats minerals in its path. It burrow

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Hatches

DietExhaustive

yes

Morbs are non-hostile, land-based critters that can be found naturally in the Caustic Biome. They passively excrete Polluted Oxygen and consume nothing. While they cannot be tamed, they can be captured with a Critter Tra

Age

∞

Pacu is an aquatic Critter found in pools in the Swamp Biome. They produce Fish Fillets and Eggs, and their morphs can provide either fresh Water or decor bonuses. They can be domesticated. == Behavior == Pacu float arou

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Pacus

DietExhaustive

yes

Pacu_Diet

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The Pip is a critter added in the Launch Update. Pips eat growing branches straight off the Arbor Tree or growing Thimble Reeds and excrete Dirt. Juvenile Pips are called Pipsqueaks. == Behavior== They are able to cling

Plug Slug is a Critter found in the Swampy Biome (Spaced Out). They produce Hydrogen, Eggs, Meat, and generate Power. They can be domesticated. The Morphs act as biological pumps for non breathable gasses and liquids. ==

DietExhaustive

yes

Pokeshell is a critter that lives in the Ocean Biome. They can live in both air and liquid and can be domesticated. They will consume both Rot Piles and Polluted Dirt at 70 kg/cycle, with Oakshells and Sanishells also co

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Pokeshells

Puft is a non-aggressive critter that breathes in certain gasses (depending on their variation: Polluted Oxygen, Oxygen, and Chlorine) and excretes them as their solid counterparts (Slime, Oxylite, and Bleach Stone, resp

The Shine Bug is a critter found in the Sandstone Biome. They emit light without creating heat, and provide a small decor bonus. They can be domesticated, and produce Shine Nymph Eggs when captive. * All Shine Bugs give

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Shine Bugs

Shove Voles are Critters that live on the surface of the asteroid. They can burrow through most tiles and climb on walls and ceilings. However, they cannot burrow through tiles made of refined metal or those made from ma

Slickster is a critter found in Oil Biome. They consume large quantities of Carbon Dioxide and turn it to Crude Oil. The longhair variant consumes Oxygen and produce nothing but +50 decor in 7 tile radius. == Behavior ==