Here are my platinum trophies:
Final Fantasy XIII - (26th December 2010)
Prince of Persia: The Forgotten Sands - (29th August 2011)
Final Fantasy XIII-2 - (20th February 2012)
Naruto Shippuden: Ultimate Ninja Storm Generations - (19th July 2012)
Naruto Shippuden: Ultimate Ninja Storm 3 - (8th April 2013)
Tales of Xillia - (16th September 2013)
As you may be able to tell from the dates, I stopped caring many years ago.