Open tabs take up system resources and can leave Facebook games without enough CPU power or system memory to run smoothly. Close down any tabs within Chrome that you aren't using while running Facebook games. It's also worth opening up the Task Manager by selecting 'View background pages' from the Chrome menu. From here you can see CPU and network usage for each of the open tabs and background processes associated with Chrome. Select 'End Process' to close any of the processes. For the same reasons, close any Windows applications or background utilities you aren't actively using.
Emptying the Cache in your browser can solve many user side problems with Facebook games. Do you find your Facebook game is slow? How to clean out your temporary internet files from your pc and keep it running better. Nov 5, 2012 - This helpful guide explains what the reasons of slow FB games are. Make sure there aren't any processors that eat up your laptop/PC speed.