Even worth playing through with a guide for the story, pretty trippy.
I started playing that at least three times along the years (if for nothing else, then for the dialogue: "You need a rad suit to go in there! -- What do you mean?! This suit is totally rad!"), but somehow never got very far...
It's freeware, available from GOG: https://www.gog.com/en/game/beneath_a_steel_sky