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PSX-Core Shader
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

![PSX-Core Shader in a snowy forest](https://cdn.modrinth.com/data/cached_images/3000b2c3fed4dc936b1e7a2ba11024c161788c4a.png) 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): ![PSX-Core Shader in a snowy forest with fog on](https://cdn.modrinth.com/data/cached_images/0f21d7b591813190785ae8a9bf188a4e06af9617.png) Without fog: ![PSX-Core Shader in a snowy forest with fog off](https://cdn.modrinth.com/data/cached_images/8a05a2c873c708fb0f93c6d95b531e3d6a359396.png) In a cave: ![PSX-Core Shader in a dark-ish cave](https://cdn.modrinth.com/data/cached_images/d8a4375296e94cc91df4696d64946f8c6f855ceb.png) > Modpacks are welcome to use this shader, only via adding it as a dependency to your modpack. Do not reupload or repack this shader.

Developer

Dooji

Profile and data retrieved from Modrinth

Open on Modrinth

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)
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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)
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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)
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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)
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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
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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
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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