ULTRA NIGHTMARE Difficulty Mod: 2+ Xenomorphs with Enhanced Aggression and Insane AI for realistic senses, deadlier intuition, and flame resistance. I died many times. MOD IS NOT FOR THE FAINT OF HEART. Alien Isolation 4K Nightmare Gameplay.

Download the Ultra Nightmare Difficulty Mod here:
https://www.nexusmods.com/alienisolat...

Reshade visual shader used is Minollus73's 1979 Immersion Mod 1.3.1. Go try it out!
https://www.nexusmods.com/alienisolat...

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PC Specs:
CPU: Intel Core i7 10700F
RAM: 32gb DDR4
GPU: GTX1660SUPER
477gb KBG40ZNV512G KIOXIA

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