Game AI

Game AI is the application of computer science techniques (e.g., pathfinding, decision trees) to create intelligent, adaptive, and responsive Non-Player Characters (NPCs) and dynamic game worlds.

Game AI is a critical technology, driving the immersive quality of modern video games. It focuses on simulating human-like decision-making for Non-Player Characters (NPCs), using algorithms like A* for efficient pathfinding and behavior trees for complex actions. This extends beyond simple scripting: Advanced systems, such as the tactical squad AI in *F.E.A.R.*, employ state machines and sensing models to coordinate enemy movements. Furthermore, machine learning (ML) and reinforcement learning (RL) are increasingly common: DeepMind’s AlphaGo used Monte Carlo Tree Search (MCTS) to master the game of Go, demonstrating ML’s power to create truly formidable opponents. This technology also powers Procedural Content Generation (PCG), enabling developers to algorithmically create vast, unique environments like the 18 quintillion planets in *No Man's Sky*.

https://www.arm.com/glossary/ai-in-gaming