Useful Links
Game AI
AI Interface Standards Committee
Gamasutra has many game AI related articles
As does GameDev
AI Wisdom has an excellent listing of game AI related articles.
Fingers of Death: Weapon Aiming
Craig Reynolds' Steering Behaviors site.
OpenSteer excellent open source steering behavior library
Amit's awesome pathfinding resource
William Van der Sterren's excellent CGF-AI resource
Must read HALO AI presentation.
Jeff Hannan's notes on Colin McCrae Rally2 AI
The companion site to John Funge's book "Artificial Intelligence for Computer Games: An Introduction" has some great links
The indispensable comp.ai.neural-nets FAQ
Excellent intro to neural networks including a description of the backpropagation algorithm
Introduction by Kevin Gurney of Sheffield Uni
NEAT: Homepage of Ken Stanley, the inventor of NEAT
Verve: evolving human-like behavior
A little piece of history
ANN controlled Lunar Lander
Modeling Human Prefrontal Cortex in Quake3 Arena
Reinforcement Learning
Reinforcement Learning: An Introduction Sutton and Barto's book online
Reinforcement Learning Example
AI-Junkie Inspired Projects
Various projects by Ghost
An ant simulator by Klaudius