Behavior Designer Pro brings AAA-quality behavior trees to Unity, supercharged with the performance of the DOTS architecture. Whether you’re working with GameObjects or Entities, in 2D or 3D.
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Behavior Designer Pro – DOTS Powered Behavior Trees v2.1.9 (05 Dec 2025) (Latest version)
Behavior Designer Pro – DOTS Powered Behavior Trees v2.1.1p1
Behavior Designer Pro – DOTS Powered Behavior Trees v2.0.11
Behavior Designer Pro – DOTS Powered Behavior Trees v2.0.8
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Description
????Documentation | ????Videos | ????Discussions | ????Discord
????Why Behavior Trees?
Used by AAA studios, behaviour trees provide a clear, modular way to define complex AI decision-making. Behavior trees are perfect for everything from enemy combatants and NPCs to boss fights and ambient wildlife.
✨Key Features
Built on DOTS for ultra-efficient data flow and processing
Use with a Entities, Hybrid, or GameObjects Workflow
Visual Editor: Intuitive, node-based workflow for rapid development
Visual Debugger: Realtime runtime insights and breakpoints
Extensive API: Familiar and flexible for coders
Zero allocations after startup: Built for performance-critical projects
Utility Theory: Evaluate tasks dynamically based on context
Conditional Aborts: Dynamic evaluation based on the current environment
Shared Variables: Seamless communication between tasks
Event System: Respond to gameplay triggers without hardcoding
Save/Load Support
Fast Delegates: Reuse your own code effortlessly
Extensible Editor: Add your own node types and functionality
15+ Sample Scenes to get started quickly
????Use Cases
Enemy AI: Patrol, chase, flee, or coordinate group attacks
Companion AI: Follow, assist, or interact with the player
Crowd Simulation: Handle large-scale agent behaviors
Resource Management: Gather, manage, or defend game resources
World Interaction: Make NPCs, traps, or world items context-aware
Simulation Systems: Model animals, crowds, or village behaviors
Survival AI: Hunt, flee, or seek shelter dynamically
Stealth and Tactical Combat: Intelligent strategic behavior
Custom AI Behaviors: Create unique, project-specific behaviors
????Seamless Integrations
A* Pathfinding Project (with Movement Pack)
Ultimate Character Controller
Ultimate Inventory System
Sensor Toolkit 2
PlayMaker
Dialogue System
Love/Hate
Curvy Splines
Quest Machine
Animal Controller
Simple Waypoint System
????Available Add-ons (Separate Purchase)
Movement Pack: Steering behaviors, pathfinding, cover, patrol, and more
Senses Pack: Perception modules for sound, light, visibility, and more
No DOTS knowledge required. Just results.
Whether you’re a programmer or designer, Behavior Designer Pro gives you the tools to create scalable, maintainable, and highly performant AI all inside Unity.
Technical details
???? Performance Driven
Powered by DOTS: Leverages the high-performance Data-Oriented Technology Stack (DOTS) architecture for optimized processing, with no DOTS knowledge required to use it
Burst Compiler Support: Utilizes the Burst compiler for ultra-fast execution of performance-critical code
Uses Unity Job System: Efficiently manages multi-threading to maximize performance across both GameObjects and Entities
???? Modern Interface and Flexibility
Built with UIToolkit: Uses Unity’s modern UIToolkit framework for a clean, responsive, and intuitive interface
Universal Render Pipeline (URP) & High Definition Render Pipeline (HDRP) Compatibility
✅ Unity Version Support
Supports Unity 2022.3 to Unity 6
Note: Due to ECS limitations, Behavior Designer Pro does not support WebGL.
