Half Life
3476 downloads
Uploaded:01-14-2002
Halflife SDK
This is the full version of the SDK. It includes the source code and all resources needed to create modifications for Half-Life.
105 downloads
Uploaded:08-01-2011
Half-Life SDK 2.3 (source code only)
The Software Development Kit contains source code for creating your own Half-Life add-ons.
8361 downloads
Uploaded:01-14-2002
Half-Life SDK 2.1 (Standard SDK )
The Software Development Kit contains source code and tools for creating your own Half-Life add-ons.
17365 downloads
Uploaded:01-13-2002
Half-Life SDK 2.1 (Full SDK)
The Software Development Kit contains source code and tools for creating your own Half-Life add-ons.
71 downloads
Uploaded:08-18-2011
Half-Life Mini SDK
An old SDK (from November 1998), also known as Model and Map SDK. It contains everything that Standard SDK 2.2 contains and several pre-release Gluon Gun viewmodel textures.
1022 downloads
Uploaded:01-14-2002
Linux-Friendly SDK
Standard SDK source code that is Linux-friendly. If you are working on a mod based on the Standard SDK and you would like to release a Linux version, you might be interested in checking this out.
2830 downloads
Uploaded:01-14-2002
StandardSDKSource
This ZIP file contains the source code to many of the tools Valve used to build the game Half-Life.
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