It’s got the most optimal temperatures for your duplicants.

This zone is the only one not separated from others by a thick wall of Abyssalite.

You’ll also find geysers and impressive amounts of Slime.

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One thing unique to this biome is gold ore, which cannot be found outside of this area.

Purple/Hot.It’s one of the hottest, and at the same time most hostile areas for your duplicants.

Caves filled with chlorine or hydrogen are a common occurrence.

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Sometimes, it’s possible for you to encounter Morbs, which transform said gases into polluted air.

It’s the only area where you’re able to find Bleach Stone and iron ore deposits.

Blue/Winter.This biome is characterized by below zero temperatures.

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It’s separeted from the others with a wall of Abyssalite, which enables it to preserve its conditions.

Inside you’ll find deposits of ice and snow, which can be melted to obtain water.

Volcanic.It’s the hottest biome, always located at the bottom of the map.

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You will find it at the top of the world.

There you could find Electrum that can be forged into gold.

Frequently, there are also iron and copper depots there.

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The temperature is comfortable, but the area lacks oxygen.

This biome is filled with caves with various poisonous gases.

High temperatures and bad air conditions make it harder to explore this biome.

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Here you could find Pincha Peppemut.

In this biome, you won’t find any gases.

While exploring this biome, you must watch out for flying comets that can damage the duplicants.

Oxygen Not Included

There are three types of comets: Dust, Iron, and Metheor.

Each of them creates a different resource after landing.

Dust creates sandstorm, iron created iron, and metheor creates regolith.

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