This is the first edition of the game to have any kind of trophy system, so there's definitely that. (blog.us.playstation.com)
There are stars that you can earn in your level rankings which also are a measure of the game's trophy systems as well as unlock other types of content. (totallygn.com)
Just when I was giving Microsoft some credit for the Achievement system (which turned to Trophy system for PS), turns out they «wrecked» pure gaming. (blog.us.playstation.com)