It does not contain any files that trigger the VAC protection system and/or any other anti-cheat application. NB! This content will not get you banned on steam nor garrysmod. Go into the addon's folder and RENAME info.txt to addon.txt To make the packs work with Garrysmod13 (Latest GarrysMod). This content is updated very rarely (repacked, re-uploaded), but it should contain most if not all materials anyway.