AI-powered NPCs that don’t need a script could make games—and other worlds—deeply immersive. First, a confession. I only got into playing video games a little over a year ago (I know, I know). A ...

Bloom, a non-player character with a face like a potato and a black beanie pulled tight around his ears, wants to know about my strategy and how I fare in combat. “I follow a map and I punch hard,” I ...