Subnautica has some creepy overtones.
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I've been playing DREDGE and it definitely has the creepy element down. It's gotten me hooked for sure
Signal Simulator is a game about being completely alone in a base in the desert doing science stuff in search of aliens. It's not really horror but there's plenty of uneasy stuff in it.
There's also a newer game inspired by it called Voices of the Void which is more actively developed. Technically, it's not horror but the developer likes to fuck with you in all kinds of ways.
Check out Manlybadasshero's channel, he plays a lot of games like that. CJU does as well. A lot of them are very narrative-based, which might not be what you're looking for. The Coffin of Andy and Leyley for example, freaking fantastic game but it's a slow creepy burn rather than action-oriented. Little Misfortune is another personal favorite, and the Tartarus Key. They also play some random ass games like this https://www.youtube.com/watch?v=2VWL4vKRp8U
where it's a dystopian world and you never really find out what's going on, which sounds similar to what you're into.
about Little Misfortune, i remembered of Fran Bow