That is all true what you said. What I try to make with my idea, is a compromise somewhere between realistic and the possibilities of the game / what is playful possible. Sure we can do it very realistic, but it's still a survival game…
Right. Maybe every corridor give you, I don't know ... 2-4 seconds of oxygen, every room ~10 seconds, moon pools ~15 seconds and the observatory 5-8 seconds. But maybe only for each floor of the base, not for the whole base