Sony is set to pull online support for Gran Turismo 5 and the Resistance franchise in 2014, according to an update to its support page.
As of May 20, 2014 players will be unable to access the online features of Gran Turismo 5, according to the update, and from March 28, 2014 the online features of Resistance: Fall of Man, Resistance 2, and Resistance 3 will no longer be available.
Also, as previously announced, as of January 28, 2014 players will no longer be able to play MAG, SOCOM: Special Forces, and SOCOM: Confrontation online. SOCOM: Special Forces will still be available to play offline.
All decommissioned titles will still be available to play offline if they have a single-player option. A full list of PlayStation 2, PlayStation 3, PSP, and PlayStation Vita titles that have previously been taken offline can be found here.