Now you can play ps3 games on your ps4 . Sony has confirmed that one can upgrade ps3 games for ps4 at a discounted price. but not all games are included in this program ,, only selected titles like
Assassin’s Creed IV Black Flag
Call of Duty: Ghosts
Watch_Dogs
NBA 2K14 and
Battlefield 4
If you happen to buy these games for your ps3 then you can upgrade these games and play with the same ps3 version disk on your ps4 , no need to buy new ps4 version disk
The upgrades for these games will be available at the discounted price of £9.99/€9.99 (or £11.99/€14.99 for NBA 2K14).
Gamers who will purchase any of the above game for ps3 will find a code to redeem the upgrade for ps4 for future . once you redeem that code , you can use the same ps3 disk on the PS4 to play the game but this offer is for a limited time . you need to make the purchase before 31st January, 2014 (for Assassin’s Creed IV and Watch_Dogs)
28th March (for Battlefield 4)
31st March (for Call of Duty: Ghosts and NBA 2K 14).