From the PlanetPlaystation.com featured editorial:
"Last month, Sony pushed forward a new initiative for its PlayStation Plus ($49.99 a year per member) subscribers by offering not one, not two, but twelve free games for download on its service. And these aren’t just some second-rate picks (well not all of them at least). In fact, most of them are exquisitely popular games, including entries in the Infamous, Ratchet and Clank and LittleBigPlanet series. That said, some of you may not quite be sold on the dozen of games being offered for no charge right now. So, with that, we’ve got a handy little guide to talk about them, and let you know which ones are recommended, and which ones to skip. So here we go!"