If the game supports upscaling, enable it to help counteract the FPS loss.
Reshade Ray Tracing Shader RTGI 0.33: Elevate Your Game's Visuals Free
These alternatives replicate many of RTGI's core features—ambient light correction, bounce lighting, and specular highlights—without the paywall, making them perfect for budget-conscious users with moderately powerful hardware.
: If not already enabled, toggle ReShade on.
Choose the rendering API matching your game (usually DirectX 11 or 12). reshade ray tracing shader rtgi 033 free
In line with the developer's original goals to eventually make the technology accessible, older legacy versions or finalized baselines of his ambient occlusion and lighting shaders have transitioned toward public availability. Official, stable, and fully optimized releases can now be found directly via the MartyMods Download Node.
The 0.33 version of Marty McFly's RTGI shader is significant for several reasons:
: Subscribe to the appropriate tier on the Marty's Mods Patreon.
To make RTGI work without flickering, you must disable certain native game settings that interfere with the depth buffer: If the game supports upscaling, enable it to
Once in-game:
| Shader | Features | Availability | |---|---|---| | | SSAO, IL (Indirect Lighting), fake GI | GitHub | | DHUberRT | Screen-space GI, ambient light, bounce lighting, blur | GitHub | | Damp RT | Path-traced GI, specular, shadows, motion vectors | GitHub | | vort Shaders | Various screen-space GI techniques | GitHub | | SSRTGI (Free version) | Lightweight RTGI alternative for games like Stellar Blade | Nexus Mods |
1. Executive Summary
Installing RTGI for the first time can be a multi-step process, but it's straightforward. Choose the rendering API matching your game (usually
These games have superb baked lighting, but RTGI adds dynamic bounce. When a zombie walks near a red light, the light bleeds onto the zombie realistically. Increases horror immersion significantly.
: Officially, the iMMERSE Pro: RTGI suite is a Patreon-only collection. Users typically gain access by subscribing to Pascal Gilcher's Patreon and joining the dedicated Discord server for updates.
: Visit the official ReShade website and download the latest installer (choose the full add-on support version for depth-buffer access).
Did we help you install RTGI 0.33? Share your before/after screenshots in the comments below. For more ReShade guides, check out our Optimized Shader Database.