http://blog.us.playstation.com/2013...asy-games-for-the-series-25-year-anniversary/
To celebrate this amazing milestone in the history of Final Fantasy, were putting a number of Final Fantasy titles on sale on PlayStation Network, starting when PSN updates tomorrow. For two weeks, the following titles will be on sale in PlayStation Store for 50% off.
DISSIDIA 012[duodecim] FINAL FANTASY (PSP)
DISSIDIA DUODECIM PROLOGUS FINAL FANTASY (PSP)
DISSIDIA FINAL FANTASY (PSP)
FINAL FANTASY Tactics: War of Lions (PSP)
Final Fantasy (PSOne Classics)
Final Fantasy II (PSOne Classics)
FINAL FANTASY IV: Complete Collection (PSP)
Final Fantasy V (PSOne Classics)
Final Fantasy VI (PSOne Classics)
Final Fantasy VII (PSOne Classics)
Final Fantasy VIII (PSOne Classics)
Final Fantasy IX (PSOne Classics)