Extended Studios
Developer
We are a group of Half-Life fans just like you. Our goal is to recreate Half-Life and the expansions with many new features and maps that will be a refreshing experience for the community. We love Half-Life and we love what we do.
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Half-Life: Extended SDK patch to v1.1.3a
Half-Life: Extended Patch 5 commentsA v1.1.3a update for those who had already downloaded an earlier version of the SDK
Half-Life: Extended SDK v1.1.3a
Half-Life: Extended SDK 37 commentsHalf-Life: Extended Development Kit, feel free to use it or any part of it for whatever you want, don't forget to credit us!