Central Queensland Linux User Group

Playonlinux is an interface that integrates, manages and tweaks multiple instances on wine, and supplies default setting for running many popular Windows games on Linux. You can find out more and download playonlinux here: http://www.playonlinux.com/en/

Wine allows you to run a range of Windows software on Linux and you can find out more about it here: http://www.winehq.org/

Keep in mind that games and the updates for them can vary by world region, so some further tweaking may be needed from default setting, for which playonlinux provides some simple tools.