The game serves as a technical showcase for , a "pure" form of ray tracing that unifies lighting, shadows, and reflections into a single algorithm.
Realistic global illumination, including a time-of-day cycle that changes the sun's position and sky color. Quake II RTX-GOG
Real-time reflections on weapons and metallic surfaces, plus support for multiple recursive reflections in mirrors. The game serves as a technical showcase for
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-GOG