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Go to Half-Life: Alyx Workshop Tools for more information.

The Half-Life Alyx SDK is a set of software utilities available as a free download for Half-Life: Alyx that allow you to create mods for Half-Life: Alyx.

Download and Installation | Frequently Asked Questions | Launching Custom Maps

Addons Overview
Creating, organizing and releasing your HL:A addon
Level Design
Level design and Hammer information
An addon's script code defines the game rules for an addon
Models are the detailed objects or characters that appear in the game world
Images and shader controls are combined to create materials
Audio production for addons
Effects like smoke, sparks, blood and fire are created using particles
Panorama UI, used for custom interface in your game mode
Getting involved with the modding community
Third-Party Tools
Developer tools created by the modding community


Category: HLA SDK En.png


HLA SDK / Barnacle En.png
HLA SDK / Blind Zombie En.png
HLA SDK / Buttons En.png
HLA SDK / Doors En.png
HLA SDK / Energy Gun En.png
HLA SDK / Flashlight En.png
HLA SDK / Gordon Gloves En.png
HLA SDK / Holo Hacking Puzzle En.png
HLA SDK / Installing and Launching Tools En.png
HLA SDK / Keycard Readers En.png
HLA SDK / Ladders En.png
HLA SDK / Launching Custom Maps En.png
HLA SDK / Launching Custom Maps:ru Ru.png
HLA SDK / Launching Custom Maps:zh-cn Zh-cn.png
HLA SDK / Navigation Mesh En.png
HLA SDK / Rapidfire En.png
HLA SDK / Shotgun En.png
HLA SDK / Trigger Detect Bullet Fire En.png
HLA SDK / Trigger Detect Explosion En.png
HLA SDK / Trigger Player Out Of Ammo En.png
HLA SDK / Vort Energy Gloves En.png
HLA SDK / Whiteboard En.png