Way back when Half-Life was shiny and new, I was interested in map-making. Despite all of its glitches, I enjoyed using the Hammer editor. I liked the idea that all of the world geometry seen in a ...

I'm having some trouble with the Hammer level editor and was hoping someone here might be able to give me some pointers. Overall, my plan is fairly complex, I ultimately want to be able to interact ...

Half-Life: Alyx mods are coming. Alongside the announcement of the new VR title, Valve has confirmed that the game will feature full Steam Workshop support and a level editor to build your own ...