Blueprint gameplay systems for Unreal Engine

Gameplay systems, wired together.

Modular, Blueprint-only systems with complete documentation and active maintenance. Each one works on its own. Together, they connect.

Browse systemsRead the docs

Why Heartwire

Documented

A Quick Start under 10 minutes, a full reference, an FAQ and a changelog for every system. Public, searchable, always current.

Modular

Drop in one system or several. They connect through interfaces and event dispatchers, never hard references.

Maintained

Updated for new engine versions, with a public changelog and email support from the developer.

First system

EMOTION SYSTEM

Coming soon

Heartwire Emotion System

Give every character a temperament. Fire a stimulus with one node and watch Hot-Tempered, Empathetic, Anxious, Cheerful and Stoic characters react differently to the same moment.

Learn more

Coming soon to Fab.

Apply StimulusTargetStimulusStrength

On the roadmap

Vitals Combat Dialogue Quest Inventory

Launch list

Know the day it ships

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