n00bs On Ubuntu posted a guide about installing PlayOnLinux on Ubuntu 12.10

PlayOnLinux is a piece of software which allows you to easily install and use numerous games and apps designed to run with Microsoft® Windows®. Few games are compatible with GNU/Linux at the moment and it certainly is a factor preventing the migration to this system. PlayOnLinux brings a cost-free, accessible and efficient solution to this problem.

  How To Install PlayOnLinux On Ubuntu 12.10