Can I choose what sound plays through hdmi and headphone

[KAMAKAZE 420]

Can I play a game on monitor 1 with headphone as i/o while my girlfriend can watch netflix on monitor two with HDMI as output?

 

[americanaudiophile]

One of these should work. First one is freeware.
https://github.com/audiorouterdev/audio-router
http://www.chevolume.com/
http://vb-audio.pagesperso-orange.fr/Cable/index.htm