Gordon Freeman, you work at the Black Mesa Research Facility as a theoretical physicist. When a routine experiment goes tragically wrong, you must battle an interdimensional alien invasion as well as a vicious military clean-up crew to save the scientist team… and the Earth!
Guides
Black Mesa – How to Obtain Contest Propellant Achievement
This is a comprehensive guide to get a secret achievement. Contest Propellant Achievement Guide Getting the Achievement Start by loading the chapter ”interloper” and progressing trough it like you normaly […]
