33 points
Mood debuff from the game Rimworld where if you spend too long without going outside, you get a severe penalty.
In other words, being underground for long (or indefinite) periods would probably have a profoundly negative effect on people’s moods.
25 points
That’s why it is important to do sociological testing on earth first. Putting groups of humans in, let’s call them vaults, to test reactions to isolation and lack of surface contact.
9 points
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17 points
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9 points
4 points
Ironically, it’s called toxic buildup and it can be less than being underground :)
1 point
