alien isolation nightmare mode 18
https://ulp3397tkr.scriblorax.com/posts/mastering-alien-isolation-nightmare-mode-tips-for-surviving-sevastopol
Alien Isolation's nightmare mode turns the already tense cat-and-mouse game into a relentless ordeal where the xenomorph is more aggressive and unpredictable, with save points few and far between, forcing you to rely on pure stealth and quick thinking just to survive another encounter.