The Importance of Artificial Intelligence in Gaming

Modern games have advanced in multiple ways over the past decades. Technologies such as physical based rendering or adaptive tessellation have been deployed to great effect and help make modern games look amazing. As awesome as this may be is one more concealed yet even more important piece of technology that seems to feature less, something that used to sit as a crown jewel at the back of the box of any would-be high-quality video game. Of course, we are referring to video game artificial intelligence, or AI for short. But what is artificial intelligence? How do we know whether it is good or not?