Procedural NPC Crowds V2

Komodobit Games - Code Plugins - Jun 19, 2022

A framework for quickly implementing large scale, optimized crowd systems with 100s of AI on screen.

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  • Supported Platforms
  • Supported Engine Versions
    4.26 - 4.27, 5.0 - 5.3
  • Download Type
    Engine Plugin
    This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.

IMPORTANT: If you run into any issues or need help please reach out to me first or use the questions tab. The reviews section is not for troubleshooting. Products are tested by Epic Games and myself to be fully functional before publishing.

Playable Demo: Tech Demo on itch

Written Documentation: Google Docs

Video Tutorial V1/How to use it: Youtube

Video Tutorial for V2 Update: Youtube

Video Tutorial for Custom Characters: Youtube

Join the discord for support and questions: Discord

Need something custom? Check out our studio services:

NOTE: The V2 update is only for UE5.0+, 4.26-4.27 are using V1.

This plugin allows you to quickly and easily implement large scale realistic crowd and pedestrian systems utilizing procedural behaviors with high performance. With 100s of AI on screen at once you can create realistic worlds such as a large bustling city, it can be scaled up or down to fit any level or project.

The Procedural NPC Crowds plugin was designed to be quickly implemented into any project, all you need is to place a spline in your map using the plugins content and you can have large scale crowds, It works with behavior trees and can be used with any behavior tasks you may already have. it also works with any character class you want to use for AI.

If the plugin works well for you then please be sure to leave a review letting us know what you liked about it.

Technical Details


  • Highly optimized allowing 100s of AI on screen at once with high framerates(60-120+ FPS depending on scalability of plugin).
  • Designed to be used with blueprints, and can be extended upon with your own functionality and behaviors.
  • Utilizes behavior tree for customizability and optimization of NPC Behaviors.
  • Included behavior tasks are written in C++ for fast execution.
  • Utilizes a procedural pathfinding system that allows the NPC to intelligently move throughout the world on their own with minimal logic needed.
  • This plugin allows you to procedurally set the Skeletal Mesh of the character or the Material of the Skeletal Mesh.
  • Comes with optimization components for character classes that allow them to be loaded or unloaded from the level based on the distance from the player with only a single blueprint node.

Code Modules:

  • Pedestrian_System - RunTime

Number of Blueprints: 11

Number of C++ Classes: 4

Network Replicated: Yes

Supported Development Platforms: (Windows 64 bit, MacOS)

Supported Target Build Platforms: (Windows 64 bit, MacOS, iOS, Android)

Documentation: Written Plugin Documentation

Important/Additional Notes: Requires the "Crowd Manager" project setting defaults to be adjusted to have 100s of AI working, check documentation for more information under "Setup"