behaviac is a framework of the game AI development, and it also can be used as a rapid game prototype design tool. behaviac supports the behavior tree, finite state machine and hierarchical task network(BT, FSM, HTN)

A Unity library for common movement AI

A Utility AI for C# and Unity

Behavior Trees and Case Logic for C#7

Various C# implementations of game AI

Goal oriented action planning beyond GOAP

BrainAI is a set of helper classes to add AI to your game.

Advance combat AI mod for RimWorld

Unity package to add context steering behaviours to your GameObjects

"A collection of behavior tree scripts for developing game AI."

Minor Project: The Chess is very well known in domain of Game AI. So is demonstrated using Minimax & Alpha-beta pruning algorithms

Leorik is a strong, open-source UCI chess engine written in C#

GOAP implementation in unity

Stateless behavior trees for C# 7

Classical behavior tree for Unity engine.

工具及管理器类，角色控制，地图生成，AI等项目框架的尝试与学习

Neocortex Unity SDK for Smart NPCs and Virtual Assistants

A rule-based ai system inspired by Left 4 Dead's Ai Director. Manages the intensity of gameplay and allows designers to define their own rules for shooter and survival games in Unity.

Functional Behavior Tree Design Pattern: simple, fast, debug-friendly, and memory-efficient behavior tree in C#/Unity

Utility AI for Unity is a good solution for choosing an action based on different utility considerations. Usually, it's used for AI.