Crowd Simulation System Pro – Unreal Engine

A lightweight Unreal Engine plugin that abstracts crowd and pedestrian simulation into a plug-and-play system, no bespoke AI programming required. It handles the heavy lifting of agent spawning, pathfinding integration, and runtime optimization so you can populate scenes in minutes rather than days. Whether prototyping a city block or shipping an open world, you get scalable crowd density without debugging behavioral edge cases or building from scratch.

A crowd system that grows with your project, not against it:
From weekend prototypes to full commercial releases, Crowd Simulation System Pro handles the spectrum without ceremony. Over a thousand studios, indies, hobbyists, and established teams, use it across genres and project scales, including our own productions.

Built on tools you already know:
Most crowd systems pick one engine limitation to solve and force you into their specialized pipeline. We took a different route. By combining splines, behavior trees, and standard actors, familiar building blocks for any Unreal developer, the system scales vertically for dense scenes and linearly for open-world streaming without adding abstraction layers to learn or maintain. If it doesn’t fit your workflow, email us for a refund. Should you want to try again later, we’ll send you a free copy with support included.

Adding crowds to your project shouldn’t be a headache. Our system handles the heavy lifting of crowd and pedestrian simulation, so you don’t have to wrestle with complex setups. It just works, whether you’re building your first game or shipping a AAA title.

Build bigger worlds with less friction.
– Quick Setup – Get crowds running in minutes, not days
– Flexible Fit – Works for solo devs, small teams, and large studios alike
– Scales With You – Grows alongside your project without added complexity

Features:
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)
Supported Unreal Engine Versions: 4.26 – 4.27 and 5.0 – 5.7

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”

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