I don’t usually get to talk about games from a librarian perspective, so please indulge me with this one!
Perihelion: The Prophecy, a role-playing game for the Amiga from 1994, is set in a post-apocalyptic cyberpunk wasteland, built atop the ruins of a technologically advanced society that has long since faded from memory in a nuclear war. Although this chaos-riddled civilization continues to research new technology, notably a new field of genetics that bridges the gap between science and religion to engineer cyborgs and artificial life, there still doesn’t appear to be much in the way of meaningful infrastructure that hasn’t just been repurposed from the old world.
One thing they’ve managed to get working is a crude version of the internet called the NetWork. This might be the most plausibly dystopian part of this whole society. » Read more about The dystopian information network of Perihelion: The Prophecy