CSS Content, It is illegal to download the files via internet. You must buy the game which sucks :/
We hope to see you online soon!
Monolith Servers
IKia
eggoquickscope
i already own so do you think it might be because of left for dead and half-life?
IKia
No clue.
Gurra
You need to have CSS installed and have mounted it in Garry's Mod. Make sure again that you have also subscribed to everything here: https://steamcommunity.com/sharedfiles/filedetails/?id=932041100