Through the ultimate solution for gamers on Linux (like me)! It's pretty much open-source (which means free) Parallels, except instead of each window being a separate operating system installed on a separate part of your computer, it's any system you want (provided you have an installer for it) inside of one file in your main OS. In other words, I have Windows inside of Linux here:
I can play games again, but I'm still unable to use TeamSpeak until the 3rd one comes out, because Windows TS doesn't recognize my mic and Linux TS has enormous problems that make it useless, on all people running Linux, all because of one stupid thing the TeamSpeak-Linux programmer did.