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A bloody retreat

A harder version of the M class moon. Days are shorter and the planet has no meteors but sandstorms instead.
The project was sabotaged when our enemy added unbreathable toxic air and most people started holding their breath and suffocating.You are here to recover the base.
Objective- survive 30 days
this was NOT made with the challenge editor.
Note that this challenge is EXTREMELY DIFFICULT. I don't think any of you can compete it. There are no bugs in the savegame. You start with just enough infurstructure and resources to overcome the oxygen issue.