. >> reporter: women like briana wu, an independent game developer, was driven out of heir home all forweeting her opinion. >> whesomeone posts your address online and they tell you they'll murder your whole family? you don't really feel safe staying at that location. >> reporter: so far, the gamergate harassment against briana and other women like her has remained online. but the fbi is taking it seriously enough it's started a file. >> i'm so hesitant to use the phrase terror. because i think it's such a politically loaded word.but this is -- it's terrorism on women in this industry. it's scaring every single one of us. >> why such hate why such anger? >> i think a lot of it comes from this idea that gaming is a male-dominated space. and that games are for men, by men. it's a very misogynist backlash. women are not meant to be treated with respect. >> reporter: something even the most casual female gamer is familiar with. watch what happens when the men in this online session of counter strike learn there's a woman playing in their midst. >> are you an archaeologist? i have a big bone