I've always assumed BlackMesa was made by Valve for some reason, that's cool. But yes, as someone else said, I was referring to Hunt Down the Freeman. At least

I've always assumed BlackMesa was made by Valve for some reason, that's cool. But yes, as someone else said, I was referring to Hunt Down the Freeman. At least a couple of the Youtubers involved made videos about their experiences and how poorly the project was managed.