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 head to the #become-a-modder channel and click the button to get the Modder role. This unlocks all modding and scripting channels.