Mineuniverse
Shaders
PSX Horror Fog

PSX Horror Fog

SHADER
Adds PS1-style vertex distortion and thick atmospheric fog for an eerie horror look.
by user_zlhr3tjwp4lztv8w
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Updated Oct 14, 2026
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# PSX Horror Fog

A retro-horror shader pack for Minecraft 1.20.1 that recreates the unstable, low-fidelity look of original PlayStation-era 3D graphics, combined with a thick atmospheric fog that never fully clears.

## Features

- **PS1-style vertex wobble** — geometry snaps to a low-resolution grid, causing the characteristic jittery, unstable look of old PlayStation 3D rendering
- **Full-screen atmospheric fog** — distance and height-based fog with soft noise variation, so it drifts and feels alive instead of static
- **Subtle vignette** — light edge darkening for a more unsettling, closed-in atmosphere
- All settings adjustable in-game via Video Settings > Shader Packs > Shader Options — no need to edit files

## Requirements

- Minecraft 1.20.1 

PSXHorrorFog.zip
MC 1.20.1, OptiFine
Release 2026-09-05 Get

Requirements & install

How to use this shader in Minecraft
Shader loader
OptiFine
Minecraft
1.20.1
Install folder
.minecraft/shaderpacks

Install with OptiFine

  1. Install OptiFine for your Minecraft version (optifine.net) and start it once.
  2. Download the shader pack .zip (do not extract it).
  3. Put the .zip into .minecraft/shaderpacks.
  4. In game open Options → Video Settings → Shaders and select the pack.
Browse more: Iris shaders OptiFine shaders Shaders for 1.20.1 All shaders

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