Download Half-Life: Full SDK 2.2
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The Half-Life Full SDK (Software Development Kit) contains all the resources needed to build any type of game imaginable to run as an add-on for Half-Life.
The current version of the Half-Life SDK is 2.2, which includes new functionality for mod authors, greatly increasing their power to create a wide variety of games using the Half-Life engine. The new features included with version 2.2 are the inclusion of voice chat, the new spectator technoogy, and the source code for Deathmatch Classic. |
