Half-Life 2: Episode Two is a critically acclaimed video game released in 2007. It is the second installment in the Half-Life 2 series and is set in the fictional City 17. One of the most impressive features of this game is its realistic lighting, which is enabled by ray tracing technology.

Ray tracing is a computer graphics technique that simulates the behavior of light in a 3D environment. It is used to create realistic lighting effects, such as reflections, refractions, and shadows. In Half-Life 2: Episode Two, ray tracing is used to create realistic lighting in City 17. This allows for more detailed and realistic lighting effects than ever before seen in a video game.

The use of ray tracing in Half-Life 2: Episode Two has resulted in some truly stunning visuals. The lighting in City 17 is incredibly realistic, with shadows that move and change as the player moves around the environment. The lighting also changes depending on the time of day, creating a dynamic and immersive experience.

The use of ray tracing technology in Half-Life 2: Episode Two has allowed for some truly stunning visuals. The realistic lighting effects make City 17 feel alive and immersive, and it has been praised by many critics for its visual fidelity. Ray tracing technology is becoming increasingly common in video games, and its use in Half-Life 2: Episode Two has set a new standard for realistic lighting in video games.