Beginning tomorrow, Sony's hosting a PlayStation Network sale through June 16 that has discounts -- up to 50 percent off (or up to 60 percent off, with a PS Plus membership -- on "20 games from E3 2013." These are some of the titles that stood out to me:
There's also discounts on Assassin's Creed IV, Battlefield 4, Killzone: Mercenary, and Need for Speed: Rivals, to name a few more. Hit the link below for the full list.
Best of E3 2013 Sale: 20 Games on Sale Starting Tomorrow [PlayStation Blog]