They would have to make it with beforemade recordings to do that...like in Guitar Hero. The Female players, "physics" is not really physics. Its just pre-recorded.
As the title says its basically simple...Half-Life 2 and Portal meets.
I would basically be able to voice act as male character, write the story and do the manuscripts for the talking heh ^^
I am asking here, as it seems like one of the most dedicated websites for valve games!
I have...