Hammer Editor Last edited 3 months ago2022-04-01 23:35:46 UTC

Hammer Editor is the official Valve-produced map editor for Half-Life. It was previously known as Worldcraft. The most recent version for GoldSource is 3.5. Hammer is also included in the Source SDK which can be downloaded via Steam (Tools > Source SDK, provided you have any Source games).

For more information, see the Valve Developer Community wiki.


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