Overview
Equipping the community with the ability to design, create, and bring to life their own maps, uniforms, and flags in-game. The Holdfast SDK is fully integrated with Steam Workshop, making your creations easy to share.
Refer to the Documentation or Video Guides below to get started.
Documentation
Covering 100+ pages of guidance — from first steps and best practices to the level editor, Steam Workshop uploads, optimisation, and more.
Video Guides
A collection by Stan that simplifies the SDK workflow:
- Tutorial #1 – Getting Started
- Tutorial #2 – Creating A New Mod
- Tutorial #3 – Map Scene Hierarchy
- Tutorial #4 – Editing The Terrain
- Tutorial #5 – Placing Objects
- Tutorial #6 – Setting Up Gamemodes
- Tutorial #7 – Play Testing Your Map
- Tutorial #8 – Uploading Mods
- Tutorial #9 – Custom Map Images
- Tutorial #10 – Map Script Settings
- Tutorial #11 – Client Clutter
- Tutorial #12 – Using Particles
- Tutorial #13 – Custom Assets
- Tutorial #14 – Object Destruction
- Tutorial #15 – Custom Ladders
- Tutorial #16 – Custom LODs
- Tutorial #17 – Custom Tools
- Tutorial #18 – Terrain Texture Replacer
- Tutorial #19 – Out Of Bounds
- Tutorial #20 – Scene Camera Views
- Tutorial #21 – Nature Preset Objects
- Tutorial #22 – Faction Objects
Uniform Editing (Apex):
Support
Got a question that's not covered above? We're happy to help, and the community is too.
Join the Official Discord, then apply for the Artisan role by selecting the art emoji in the #getting-started channel. This unlocks all modding and scripting channels.