There's a poster I don't recognize, it might be for Frostpunk.
They're playing a board game, it could be the This War of Mine TTG but I'm unfamiliar with it.
There's some writing on a box I don't understand, I assume it's Chinese.
But mainly, what's with some of the Alters? Who the hell are the top two in #4? The scientist also has a slightly different design, the same that can be seen in early game art. Their designs are all a little different, like the technician(?) wearing some kind of hospital gown.
This leads me to believe this art is possibly quite old, made early in the game's development before character designs or possibly even the plot were settled. That makes me think the book on the shelf is not a random prop, but tied into an earlier draft of the plot. The unnamed planet might originally have been Saturn's moon Titan. The unnamed planet has an ocean of some unnamed iridescent liquid, similar to how Titan has massive lakes of methane.
To add to this, one of the posters in the social room says "SATURN ID / VI" What's Titan's official designation? Saturn VI.