Fully Supported for Unity Versions 2021 LTS through 2023 LTS

For Unity v6 and later please see Toolkit for Steamworks 2025

This asset is included in the Toolkits for Unity Bundle 2025.

Heathen’s Toolkit for Steamworks Legacy remains a fully supported and reliable solution for developers using Unity 2021 LTS through 2023 LTS. This version will continue to receive updates and support as long as Unity maintains 2023 in LTS.

Additionally, if you own Heathen’s Toolkit for Steamworks 2025, you automatically get access to this version at no extra cost. Users of this legacy version can also upgrade to the 2025 version with an 80% discount, ensuring you have flexibility and support for future projects, regardless of the Unity version you choose.

Why Choose Heathen’s Toolkit?

With over 10 years of continuous innovation, Heathen’s Toolkit for Steamworks is trusted by thousands of developers and powers hundreds of games. It’s more than just an API wrapper—it’s a robust solution with seamless integration of every Steamworks SDK feature, offering quality-of-life tools, a rich knowledge base, and a supportive community to help you Do More with Valve’s Steam API.

Proven Reliability: Continuously refined, supported, and powering successful Steam games for over a decade. Community-Driven: Backed by live support and a thriving developer community. Explore our curated collection of games made with Heathen’s Toolkit. Unlock the Power of Steamworks SDK

Our Toolkit simplifies Steamworks integration through layers of abstraction:

Code-Free Tools: Easy-to-use, drag-and-drop solutions for common Steam integration needs. Advanced Customization: Dive deeper into powerful events, data layers, and API extensions when you need them. Seamless Compatibility: Works with existing code based on raw Steamworks.NET. Expand your expertise with our extensive Knowledge Base, covering everything from asset usage to broader Steam topics. With continuous updates, you’ll have all the resources to master Steamworks and the Steam platform.

For Every Developer

Engineers: Gain access to powerful frameworks, editor extensions, and pre-built systems that save development time and streamline intricate features. Designers: Benefit from component scripts, Unity Events, and robust editor tools, helping you Do More within the Unity environment. Code-Free Users: Prefabs, sample scenes, and extensive knowledge base support for non-programmers.

Join the Heathen Discord to connect with thousands of fellow developers and the Heathen team for direct support. Not sure yet? Try our free “lite” version on GitHub or explore our Knowledge Base and discover how Heathen’s Toolkit can empower your next game!

Technical details Supported Platforms/Operating Systems

Windows Linux Mac OS Documentation:

Heathen Knowledge Base

Live Support on:

Heathen Assets Discord Server

This asset is dependent on Steamworks.NET and System Core both of which can be installed with this asset or manually via the Unity Package Manager.

Features

Production-ready prefabs Extensive Samples Supports DOTS and GameObject-style projects. Component scripts (GameObject behaviours) are not required but are provided if you wish to use them. App Tools Authentication Clans / Groups Tools Debugging tools (Steam Inspector) Downloadable Content (DLC) Friends Tools Steam Input Inventory Microtransactions / In-App Purchase Crafting Player Trade / Economy Leaderboards Multiplayer Lobby Matchmaking Steam Game Server Fish Networking support Mirror Networking support MLAPI / NetCode for GameObjects support