The original PS2 exclusive expansion, rebuilt from the ground up to seamlessly allow for single-player gameplay without compromising any of the original story, gameplay, or quality.
NOTICE: This mod is designed to run with the Windows version of Half-Life currently available on Steam. Running different versions of Half-Life, such...
NOTICE: This mod is designed to run with the Windows version of Half-Life currently available on Steam. Running different versions of Half-Life, such...