In the past decade, the world of AI-powered role-playing (RP) has undergone a significant evolution. What started as fringe projects with primitive AI has grown into a vibrant ecosystem of tools, platforms, and communities. This overview investigates the existing environment of AI RP, from widely-used tools to innovative techniques. https://spencerrafkp.tkzblog.com/27905716/the-evolution-of-ai-driven-character-simulation-from-fimbulvetr-to-next-gen-language-models