Realistic global illumination, including a time-of-day cycle that changes the sun's position and sky color.

Reworked textures for water and glass that accurately refract light and show volumetric shadows.

The game serves as a technical showcase for , a "pure" form of ray tracing that unifies lighting, shadows, and reflections into a single algorithm.

While the base RTX download is free, you must own the original Quake II on GOG to play the full campaign and multiplayer. Quake II RTX on GOG.com

Quake II RTX is a cutting-edge ray-traced reimagining of id Software’s 1997 classic, developed by NVIDIA’s Lightspeed Studios. On GOG.com , it is available as a standalone free download that includes the first three levels of the original shareware version. 🛠️ Technology and Features

Real-time reflections on weapons and metallic surfaces, plus support for multiple recursive reflections in mirrors.