PoxNora is an online fantasy game developed by Octopi Inc. In order to learn to how play it, you can check the How to Play section from the official web page. The minimum system requirements for your computer to run the game are:
OS: Windows XP/Vista/7/8 or Mac OS X;
Processor: 500 MHZ or greater;
Video Card: NVIDIA or ATI Video Card with 64MB;
Hard Drive Space: 200MB.
If the requirements are fulfilled, you can download and install it free of charge from the official website.