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R-T-S

What is the R-T-S Shader? It is a shader pack that attempts to simulate complex global illumination techniques. Unlike traditional shaders that rely on simple rasterization, R-T-S calculates light paths more realistically within the game engine.
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R-T-S

ByEiden1234
  • B
  • Jun 18, 2026
  • 4.64 KB
  • 7
  • 1.20.1+2

File Name

R-T-S.zip

Supported Versions

  • 1.20.1
  • OptiFine
  • Iris

Finally here: R-T-S for 1.20.1!

We’ve officially updated the R-T-S Shader to work seamlessly with Minecraft 1.20.1. Whether you're exploring the Trails & Tales features or building massive projects, your world will look better than ever with our signature ray-traced lighting and realistic reflections.

What’s new?

1.20.1 Compatibility: Perfectly integrated for the newest version.

Better Performance: We’ve tightened the code to ensure higher FPS while maintaining that cinematic look.

Visual Tweaks: Polished lighting transitions and better water transparency.