Half Life: Escape from Area 99. Half-Life Mod, Sequel of Half-Life: Operation Rosenberg.
This container a custom .dll for the "Escape from Area 99" because don't .dll file on this mod, include a modifield skill.cfg headshot to take a effect, please take a "readme.txt" for the author and later i will make "Escape from Area 99: Reassignment" skin pack