I'm trying to make a Portal 2 co-op map in Hammer. I know the basics but I would like to know how to insert the levers from the Valve co-op courses where both players have to pull them at the same ...
I'm making a map for Counter Strike: Global Offensive, but I am having this issue with a part of the map. One of my brushes is weird and see-through in game. I have no clue what is causing it or how ...