You play as Mitchell Shephard, a U.S. Marine who blames Gordon Freeman for the death of his squad during the Black Mesa incident. The narrative follows his descent into an "edgy" protagonist—complete with facial scars and a vendetta—as he works for a mysterious G-Man impersonator to track down Freeman.
The game's reception was overwhelmingly negative, with critics and fans citing several major issues: Hunt Down The Freeman Review - Gggmanlives
Here is a blog-style overview of the game's legacy and why it became one of the most controversial titles on Steam :