As of today, May 15th, 2011, the Playstation Network is online and functional for online gaming. Sony stated in a Press Release that the PSN store may not be online until May 31st, but every effort is being made to restore the service before then. PixelPerfectGaming.com tested Mortal Kombat and experienced no issues. However, Playstation 3 gamers must download the previous system update befor... more.