
The NPCs That Remember You: How AI Is Rewriting What Game Characters Can Do
For decades, game characters ran on scripts. Every line of dialogue was written by a human, every response pre-authored and triggered by a flag. In 2025, shipped games began deploying NPCs with persistent memory, generated personalities, and the ability to improvise. One game using AI characters hit 500,000 daily active users with engagement metrics that beat TikTok.









