​👽 SECTOR 21: Bio-density levels approaching critical. Technician 7-G, initiate Purge Sequence immediately. ​Sector 21 is a tense, solo "push-your-luck" survival game played with a standard 54-card deck. As the last surviving technician on a derelict vessel, your only goal is to vent a mounting alien infestation into the vacuum of space before your life support systems fail entirely.

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