Colors
Modrinth
Shader
PSX-Core Shader
A PSX shader with affine texture mapping, dithering, vertex snapping and more!
Minecraft product info
Important product information
Compatibility, Minecraft versions, loaders, and external source data.
Type
Shader
Access
Free
Latest version
0.1.6
Downloads
44 673
Loaders / Platforms
iris
optifine
Minecraft versions
1.8 – 1.21.11
26.1
26.1.1
26.1.2
26.2
Categories
atmosphere
cursed
vanilla-like
Description
Detailed information
A Minecraft shader that recreates PS1 visuals. Features:
- Ordered dithering
- 5-bit per-channel color quantization
- Gouraud shading with banded light levels
- Vertex snapping
- Affine texture mapping
- Fog (scary)
Most of these are configurable via the shader settings! Only thoroughly tested with Iris on 1.21.11 (works on older versions too, please report bugs).
# Preview
> See more on the Gallery page!
With fog (default):
Without fog:
In a cave:
> Modpacks are welcome to use this shader, only via adding it as a dependency to your modpack. Do not reupload or repack this shader.
Product gallery
Project images
Screenshots and images from the original Modrinth page.
Daytime, Fog
Snow!
Dark Cave
Affine Texture Mapping
More Snow!
Change log
Project versions
Published versions and original Modrinth files.
0.1.6
Current
Release
16.07.2026
PSX-Core Shader v0.1.6
Supported Minecraft versions
1.8
1.8.1
1.8.2
1.8.3
1.8.4
1.8.5
1.8.6
1.8.7
1.8.8
1.8.9
1.9
1.9.1
1.9.2
1.9.3
1.9.4
1.10
1.10.1
1.10.2
1.11
1.11.1
1.11.2
1.12
1.12.1
1.12.2
1.13
1.13.1
1.13.2
1.14
1.14.1
1.14.2
1.14.3
1.14.4
1.15
1.15.1
1.15.2
1.16
1.16.1
1.16.2
1.16.3
1.16.4
1.16.5
1.17
1.17.1
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
26.1
26.1.1
26.1.2
26.2
Loaders / Platforms
iris
optifine
Show changes
- Replaced world space vertex snapping with screen space snapping
- Added vertex snap toggle
- Added optional affine texture mapping for held items (disabled by default)
Sign in
0.01 MB
0.1.5
Release
21.02.2026
PSX-Core Shader v0.1.5
Supported Minecraft versions
1.8
1.8.1
1.8.2
1.8.3
1.8.4
1.8.5
1.8.6
1.8.7
1.8.8
1.8.9
1.9
1.9.1
1.9.2
1.9.3
1.9.4
1.10
1.10.1
1.10.2
1.11
1.11.1
1.11.2
1.12
1.12.1
1.12.2
1.13
1.13.1
1.13.2
1.14
1.14.1
1.14.2
1.14.3
1.14.4
1.15
1.15.1
1.15.2
1.16
1.16.1
1.16.2
1.16.3
1.16.4
1.16.5
1.17
1.17.1
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
26.1
26.1.1
26.1.2
Loaders / Platforms
iris
optifine
Show changes
- Fix double-blindness (caused black screen)
Sign in
0.01 MB
0.1.4
Release
11.02.2026
PSX-Core Shader v0.1.4
Supported Minecraft versions
1.8
1.8.1
1.8.2
1.8.3
1.8.4
1.8.5
1.8.6
1.8.7
1.8.8
1.8.9
1.9
1.9.1
1.9.2
1.9.3
1.9.4
1.10
1.10.1
1.10.2
1.11
1.11.1
1.11.2
1.12
1.12.1
1.12.2
1.13
1.13.1
1.13.2
1.14
1.14.1
1.14.2
1.14.3
1.14.4
1.15
1.15.1
1.15.2
1.16
1.16.1
1.16.2
1.16.3
1.16.4
1.16.5
1.17
1.17.1
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
Loaders / Platforms
iris
optifine
Show changes
- Not using GL_EXT_gpu_shader4 anymore (should fix loading issues on certain hardware)
Sign in
0.01 MB
0.1.3
Release
05.02.2026
PSX-Core Shader v0.1.3
Supported Minecraft versions
1.8
1.8.1
1.8.2
1.8.3
1.8.4
1.8.5
1.8.6
1.8.7
1.8.8
1.8.9
1.9
1.9.1
1.9.2
1.9.3
1.9.4
1.10
1.10.1
1.10.2
1.11
1.11.1
1.11.2
1.12
1.12.1
1.12.2
1.13
1.13.1
1.13.2
1.14
1.14.1
1.14.2
1.14.3
1.14.4
1.15
1.15.1
1.15.2
1.16
1.16.1
1.16.2
1.16.3
1.16.4
1.16.5
1.17
1.17.1
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
Loaders / Platforms
iris
optifine
Show changes
- Actually use light steps
- Should work on older versions of Minecraft now too (please report bugs if any)
Sign in
0.01 MB
0.1.2
Release
16.01.2026
PSX-Core Shader v0.1.2
Supported Minecraft versions
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
Loaders / Platforms
iris
optifine
Show changes
- Fog color now changes with light level
- Weather particles look a bit better
- Being able to see clearly under lava fixed
Sign in
0.01 MB
0.1.1
Release
05.01.2026
PSX-Core Shader v0.1.1
Supported Minecraft versions
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
Loaders / Platforms
iris
optifine
Show changes
- Fixed affine texture mapping atlas bleed
Sign in
0.01 MB
0.1.0
Release
02.01.2026
PSX-Core Shader v0.1.0
Supported Minecraft versions
1.18
1.18.1
1.18.2
1.19
1.19.1
1.19.2
1.19.3
1.19.4
1.20
1.20.1
1.20.2
1.20.3
1.20.4
1.20.5
1.20.6
1.21
1.21.1
1.21.2
1.21.3
1.21.4
1.21.5
1.21.6
1.21.7
1.21.8
1.21.9
1.21.10
1.21.11
Loaders / Platforms
iris
optifine
Sign in
0.01 MB