This version replaces the original Source engine lighting with (path tracing), simulating how light realistically bounces, reflects, and refracts.
: Includes high-resolution physically based (PBR) textures and high-poly models. DOWNLOAD FILE – Portal with RTX.zip
: Utilizes NVIDIA DLSS 3.5 , Ray Reconstruction, and RTX IO to manage the heavy computational load of path tracing. This version replaces the original Source engine lighting
: It serves as a showcase for the NVIDIA RTX Remix platform, which allows modders to remaster older DirectX 8 and 9 games. System Requirements & File Specs Portal RTX Review: The Path-Traced Retro Revolution Begins! simulating how light realistically bounces