This guide goes for GMOD, TF2, CSS and CSGO map making. Im currently mapping for only Gmod, Tf2 and Css So i really cant help you there CSGO map makers. But ill try my best!
Im a newb map maker but im trying to help others.
If you had problems with water like:
Or anything like this then follow this guide. (Thanks Magman77)
To make water
Make a brush with the texture nodraw. Then use Shift+A to open the Face Texture menu.
Then pick your water and right click on the top!
“Looks bad water”
Use dev water 2-5
See “Looks bad water”
Make sure that everything is inside of your skybox. Make sure there is no holes in your skybox (Think of it as a space suit. You dont want the vaccum getting in.)
Leave it in the comments and I’ll try to help!