Final answer:
Computer Generated Imagery (CGI) is the technological advance that enabled studios to improve the visual rendering of video games.
Step-by-step explanation:
The technological advance that enabled studios to improve the visual rendering of video games is Computer Generated Imagery (CGI). CGI is an advanced form of computer technology that creates shapes and characters in a film or video game. With the use of CGI, studios are able to create more realistic and detailed graphics, enhancing the visual experience for players of video games.
CGI has revolutionized the gaming industry by allowing game developers to create virtual worlds with stunning visuals and lifelike characters. It has opened up new possibilities for storytelling and immersion in video games. For example, CGI technology has been used to create realistic facial expressions, fluid animations, and highly detailed environments in video games.