Celeste
Ultima Underworld 1 and 2
Ultima IV and V
Daggerfall and Morrowind
Dark Souls 1 and 2
stuff like Sundog, Hard Nova, Wasteland, Star Command
Albion
Earthbound
Return of the Obra Dinn
The Outer Wilds
Slay the Spire
(it definitely won't play like any of these games but just know that they're in my head a lot)
Shadowrun and the Denver module
Over the Edge (and On the Edge CCG), and The Cut-Ups Project/Chaos Boys module
Albedo
Magic: The Gathering's "Mercadian Masques" block
Crash by Cronenberg
Satyricon by Fellini
Possession by Zulawski
JG Ballard's "High-Rise"
Iain M. Banks "Surface Detail"
John Shirley's "City Come a-Walkin"
Alan Moore's Promethea
Frank Thorne's Ribit
Hellblazer (especially The Fear Machine by Jamie Delano)
2000 AD in general
The '77-'84 Post Punk movement, incorporating goth rock and minimal synth and dance-dub-punk and industrial and everything else. The absolute killer songs: Cabaret Voltaire "A Thousand Ways" and "Sensoria", Siouxsie and the Banshees "Night Shift", The Au Pairs "Headache for Michelle", Killing Joke "Requiem", Deutsch Amerikanische Freundschaft "Sato-Sato", Grauzone "Eisbaer", 23 Skidoo "The Gospel Comes to New Guinea"
Front 242, Herbie Hancock, James Brown, Parliament/Funkadelic, Skinny Puppy, Tropical Fuck Storm
Soundtracks for: Chaos Engine, Celeste, Klonoa 2, Turrican 2